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UPSC ESE 2025 Exam - Application form (Out), Exam Dates, Eligibility, Syllabus

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UPSC ESE Exam Date : 08 Jun' 2025 - 08 Jun' 2025
Updated on 30th November, 2024 by Vishnukumar V

About UPSC ESE 2025

The Union Public Service Commission (UPSC) will issue the UPSC ESE 2025 admit card for prelims tentatively in May 2025 on the official website at upsc.gov.in. The UPSC ESE prelims exam 2025 is scheduled to be held on June 8, 2024. The UPSC ESE 2025 mains exam is scheduled to be conducted on August 10, 2025. The commission provided the UPSC ESE 2025 application form correction window from November 23 to 29, 2024 on the official website. 

The UPSC ESE application form 2025 window was closed on November 22, 2024. The UPSC ESE 2025 application form was re-opened on October 18, 2024. The commission has decided to include Indian Railway Management Service (IRMS) with its sub-cadres of Civil, Mechanical, Electrical, Signal & Telecom and Stores in the UPSC ESE, 2025. 

Earlier, the authority closed the UPSC ESE application window on October 8, 2024. The commission released the UPSE ESE application form 2025 in online mode on September 18, 2024 along with the notification. The commission released the UPSC ESE exam date on the website.

To appear in the UPSC ESE exam 2025, a candidate must be between 21 to 30 years of age and hold a bachelor’s degree in Engineering. The selection process of UPSC ESE consists of three stages i.e prelims, mains, and personality test. Candidates securing marks equal to more than the cutoff of UPSC ESE for each stage of the selection process will be shortlisted for the final recruitment. The candidate who will be selected will get a pay scale of Rs 15,600 - Rs 39,100. 

UPSC ESE or the Engineering Services Examination is conducted by Union Public Service Commission (UPSC) to recruit candidates in groups A and B Service posts under Civil, Mechanical, Electrical, Electronics and Telecommunication engineering categories. The shortlisted candidates are recruited in Indian Railways, Indian Ordnance Factories, Central Water Engineering Service, Indian Skill Development Service, etc. Recruitment is made to the services/posts under the Civil, Mechanical, Electrical, Electronics, and Telecommunication Engineering categories. 

UPSC ESE 2025 Exam Schedule

The Union Public Service Commission has released the UPSC ESE 2025 exam schedule on the official website. The table given below decribes USPC ESE exam schedule 2025.

UPSC ESE Time Table 2025

Date and DayTimeSubjects
June 8, 2025 (Sunday)09:30 A.M. to 11:30 A.M.General Studies and Engineering Aptitude Paper (Paper-I) (Objective) (2 hours duration) (200 Marks)
2:00 P.M. to 5:00 P.M.
Civil, Mechanical, Electrical, Electronics & Telecom. Engineering. (Discipline-Specific paper)(Paper-II) (Objective) (3 hours duration) (300 Marks)
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UPSC ESE 2025 Highlights

Full Exam Name
Union Public Service Commission Engineering Services Exam
Short Exam Name
UPSC ESE
Conducting Body
Union Public Service Commission
Frequency Of Conduct
Once a year
Exam Level
National Level Exam
Languages
English
Mode Of Application
offline +1 more
Application Fee
Offline : 200 +1 more
Exam Duration
Preliminary Exam:5 Hours +1 more
No Of Seats
232

UPSC ESE Important Dates

UPSC ESE Union Public Service Commission Engineering Services Exam (session 2025)

18 Sep' 2024 - 08 Oct' 2024 . Online
Application Date
18 Oct' 2024 - 22 Nov' 2024 . Online
Application Date
Re-opened
22 Nov' 2024 - 22 Nov' 2024 . Online
Others
Last date for fee payment

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UPSC ESE Preliminary Exam (session 2025)

08 Jun' 2025 - 08 Jun' 2025 . Offline
Exam Date

UPSC ESE Main Exam (session 2025)

10 Aug' 2025 - 10 Aug' 2025 . Offline
Exam Date

UPSC determines the eligibility criteria of UPSC ESE for all aspiring candidates. It is important for the candidates to meet the eligibility criteria before they can fill the application form. The eligibility criteria is determined on the basis of the nationality, age and education qualification of the candidates. Aspirants must check the eligibility criteria for UPSC ESE.

UPSC ESE eligibility criteria 2025

Eligibility Criteria

Specification

Educational Qualification

Bachelor’s degree in Engineering

Age Limit 

21 to 30 years

Nationality

India

UPSC ESE 2025 eligibility criteria - age limit

The table below contains the age limit applicable to meet UPSC ESE Eligibility Criteria 2025.

UPSC ESE 2025 eligibility criteria

Age LimitYears

Minimum age limit

21 years

Maximum age limit

30 years

However, there are certain age relaxations that have been given to the candidates belonging to the reserved category. The details about the age relaxation in UPSC ESE eligibility criteria has been mentioned in the table below.

UPSC ESE Eligibility 2025 - Age Relaxation for different categories

Categories

Age Relaxation

SC/ST

5 years

OBC

3 years

Domicile of Jammu and Kashmir

5 years

Ex‐servicemen

5 years

Defence Services personnel, (disabled in operations during hostilities

with any foreign country or in a disturbed area, and released as a consequence thereof)

3years

ECOs/ SSCOs

5 years

Deaf‐mute and orthopedic handicapped person

10 years

UPSC ESE eligibility 2025 on the basis of educational qualification

In order to meet the eligibility criteria of UPSC ESE on the basis of education qualification, candidates must have the following qualifications:

  • Must hold a degree in Engineering from the Central or State University or other recognised Educational Institutions deemed as Universities or UGC.

  • A degree/diploma in Engineering from foreign University/College/Institution and under such conditions as may be recognised by the Government for the purpose from time to time, or

  • Passed Graduate Membership Examination of the Institution of Electronics and Telecommunication Engineers (India).

  • Passed Associate Membership Examination Parts II and III/Sections A and B of the Aeronautical Society of India; or

  • Passed Graduate Membership Examination of the Institution of Electronics and Radio Engineers, London held after November 1959.

  • Candidates applying for Indian Radio Regulatory Service must have M.Sc. degree or its equivalent with Wireless Communication Electronics, Radio Physics or Radio Engineering as a special subject or Master’s Degree in Science with Physics and Radio Communication or Electronics or Telecommunication as a special subject.

  • Candidates applying for Indian Naval Armament Service must have M.Sc.degree or its equivalent with Wireless Communication Electronics, Radio Physics or Radio Engineering as a special subject.

Eligibility criteria on the basis of nationality

Candidates applying for UPSC ESE must be either:

  • A citizen of India, or

  • A subject of Nepal, or

  • A subject of Bhutan, or

  • A Tibetan refugee who came over to India before January 1, 1962 settled permanently in India, or

  • A person of Indian origin who has migrated from Burma Pakistan, the United Republic of Tanzania, Sri Lanka or East African countries of Kenya, Uganda, Zambia, Malawi, Zaire and Ethiopia or from Vietnam and settled permanently in India.

The Union Public Service Commission provided the UPSC ESE 2025 application form correction window from November 23 to 29, 2024. The UPSC ESE 2025 application link was re-opened on October 18, 2024. the last date to submit the UPSC ESE application form was November 22, 2024. The authority closed the UPSC ESE 2025 application form window on October 8, 2024. The board released the UPSC ESE application form on September 18, 2024 on the official website, upsc.gov.in. 

Steps to fill UPSC ESE Application form 2025

1. Visit the official website of the Commission - upsc.gov.in.

2. Click on the link to apply for ESE

3. Register yourself and fill all basic details

4. Upload the necessary documents and pay application fee of UPSC ESE 2025

5. Cross-check all the details before submitting the final application

UPSC DAF 2025

The Detailed Application Form (DAF) is filled by the candidates who qualify the prelims exam. While filling UPSC ESE Detailed Application Form, candidates first have to register themselves and fill the details like name, roll number, email – id, date of birth and all the other details and click on the ‘Submit’ button. 

The details about the login credential are sent to the email id provided by the candidates. Candidates have to log in with the roll number and password generated and fill the modules of all the six modules including Personal, parental, educational, Employment information,  and upload the documents and finally submit the application form.

Documents to be uploaded along with DAF

  • Educational   Qualification

  •  Age proof Certificate

  • PH Certificate 

  • Community   Certificate etc

Documents Required at Exam UPSC ESE 2025

Preliminary Exam 2025

  • Admit card
  • Aadhaar card
  • Passport
  • Voter card
  • Driving licence
  • PAN card
  • Photo ID card issued by the state/central Government

Main Exam 2025

  • Admit card
  • Aadhaar card
  • PAN Card
  • Voter card
  • Driving licence
  • Passport
  • Photo ID card issued by the state/central government

UPSC ESE 2025 Exam Centers

StateCity
Tripura
Agartala
Gujarat
Ahmedabad
Mizoram
Aizawl
Uttar Pradesh
Aligarh
Allahabad
Bareilly
Lucknow
Karnataka
Bangalore
Dharwad
Madhya Pradesh
Bhopal
Chandigarh
Chandigarh
Tamil Nadu
Chennai
Madurai
Odisha
Cuttack
Sambalpur
Uttarakhand
Dehradun
Delhi
New Delhi
Delhi
Sikkim
Gangtok
Telangana
Hyderabad
Manipur
Imphal
Arunachal Pradesh
Itanagar
Rajasthan
Jaipur
Udaipur
Jammu and Kashmir
Jammu
Srinagar
Assam
Jorhat
Kerala
Kochi
Thiruvananthapuram
Nagaland
Kohima
West Bengal
Kolkata
Maharashtra
Mumbai
Nagpur
Goa
Panaji
Bihar
Patna
Andaman and Nicobar Islands
Port Blair
Chhattisgarh
Raipur
Jharkhand
Ranchi
Meghalaya
Shillong
Himachal Pradesh
Shimla
Andhra Pradesh
Tirupati
Visakhapatnam

Preliminary Exam

UPSC ESE 2025 prelims exam is the first stage in the selection process. Candidates qualifying in the preliminary stage of the UPSC ESE exam will have to appear for the mains exam. The preliminary exam is conducted for two papers - paper I and II wherein paper I is General Studies and paper II is Engineering Aptitude. The exam is objective in nature. 

  • Paper I is conducted within 2 hours during which candidates are asked questions for a total of 200 marks.

  • Paper II or Engineering Aptitude is held for 3 hours during which candidates are asked questions for a total of 300 marks.

UPSC ESE 2025 - prelims exam pattern 

Subject

Minimum Marks

Duration

Paper I (General Studies and Engineering Aptitude)

200

2 hours

Paper II (Engineering Services Exam as per Specific Disciplines)

300

3 hours

Total

500


Main Exam

Candidates who qualify in the UPSC ESE preliminary exam will have to take the UPSC ESE mains exam 2025. The mains exam of UPSC ESE 2025 is descriptive in nature which is conducted for two papers - paper I and II for 300 marks each. The table below contains UPSC ESE 2025 exam pattern for the mains exam

UPSC ESE Exam Pattern 2025 for Mains Exam

Subject

Minimum Marks

Duration

Paper I (Engineering Exam)

300

3 hours

Paper II (Engineering Exam)

300

3 hours

Total

600



Here Engineering exam varies for different subjects i.e Mechanical Engineering, Electrical Engineering, Civil Engineering and Electronics and Telecommunication Engineering, Candidates who qualify in the mains exam will have to appear for a Personality Interview.

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UPSC ESE 2025 Syllabus

UPSC ESE 2025 Preliminary Exam 2025

General studies and engineering aptitude: Unit 02


Logical reasoning and analytical ability

    General studies and engineering aptitude: Unit 03


    Engineering mathematics and numerical analysis

      General studies and engineering aptitude: Unit 04


      General principles of design, drawing, importance of safety

        General studies and engineering aptitude: Unit 06


        Basics of energy and environment
        • Conservation, environmental pollution and degradation, climate change, environmental impact assessment

        General studies and engineering aptitude: Unit 07


        Basics of project management

          General studies and engineering aptitude: Unit 08


          Basics of material science and engineering

            General studies and engineering aptitude: Unit 09


            Information and communication technologies (ICT) based tools and their applications in engineering
            • Networking, e-governance, and technology based education

            General studies and engineering aptitude: Unit 10


            Ethics and values in engineering profession

              Civil engineering-Paper-I: Unit 01


              Building materials
              • Stone, lime, glass, plastics, steel, FRP, ceramics, aluminium, fly ash, basic admixtures, timber, bricks and aggregates: Classification, properties, and selection criteria, cement: types, composition, properties, uses, specifications, and various tests
              • Lime and cement mortars and concrete: Properties and various tests; design of concrete mixes: Proportioning of aggregates and methods of mix design

              Civil engineering-Paper-I: Unit 02


              Solid mechanics
              • Elastic constants, stress, plane stress, strains, plane strain, Mohr's circle of stress and strain, elastic theories of failure, principal stresses, bending, shear and torsion

              Civil engineering-Paper-I: Unit 03


              Structural analysis
              • Basics of strength of materials, types of stresses and strains, bending moments and shear force, concept of bending and shear stresses; analysis of determinate and indeterminate structures; trusses, beams, plane frames
              • Rolling loads, influence lines, unit load method and other methods; free and forced vibrations of single degree and multi degree freedom system; suspended cables; concepts and use of computer aided design

              Civil engineering-Paper-I: Unit 04


              Design of steel structures
              • Principles of working stress methods, design of tension and compression members, design of beams and beam column connections, built-up sections, girders, industrial roofs, principles of ultimate load design

              Civil engineering-Paper-I: Unit 05


              Design of concrete and masonry structures
              • Limit state design for bending, shear, axial compression and combined forces; design of beams, slabs, lintels, foundations, retaining walls, tanks, staircases; principles of pre-stressed concrete design including materials and methods
              • Earthquake resistant design of structures; design of masonry structure

              Civil engineering-Paper-I: Unit 06


              Construction practice, planning, and management
              • Construction-planning, equipment, site investigation and management including estimation with latest project management tools and network analysis for different types of works; analysis of rates of various types of works
              • Tendering process and contract management, quality control, productivity, operation cost; land acquisition; labour safety and welfare

              Civil engineering-Paper-II: Unit 01


              Flow of fluids, hydraulic machines, and hydro power
              • Fluid mechanics, open channel flow, pipe flow: Fluid properties; dimensional analysis and modeling; fluid dynamics including flow kinematics and measurements; flow net; Viscosity, boundary layer and control, drag, lift
              • Fluid mechanics, open channel flow, pipe flow: Principles in open channel flow, flow controls. Hydraulic jump; surges; pipe networks
              • Hydraulic machines and hydro power: Various pumps, air vessels, hydraulic turbines-types, classifications, and performance parameters; power house-classification and layout, storage, pondage, control of supply

              Civil engineering-Paper-II: Unit 02


              Hydrology and water resources engineering
              • Hydrological cycle, ground water hydrology, well hydrology and related data analysis; streams and their gauging; river morphology; flood, drought, and their management; capacity of reservoirs
              • Water resources engineering: Multipurpose uses of water, river basins and their potential; irrigation systems, water demand assessment; resources-storages and their yields; water logging, canal and drainage design, gravity dams, falls, weirs
              • Water resources engineering: Energy dissipaters, barrage distribution works, cross drainage works and head-works and their design; concepts in canal design, construction and maintenance; river training, measurement and analysis of rainfall

              Civil engineering-Paper-II: Unit 03


              Environmental engineering
              • Water supply engineering: Sources, estimation, quality standards and testing of water and their treatment; rural, institutional, and industrial water supply; physical, chemical, and biological characteristics and sources of water
              • Water supply engineering: Pollutants in water and its effects, estimation of water demand; drinking water standards, water treatment plants, water distribution network
              • Waste water engineering: Planning and design of domestic waste water, sewage collection and disposal; plumbing systems. Components and layout of sewerage system; planning and design of domestic waste-water disposal system
              • Waste water engineering: Sludge management including treatment, disposal, and re-use of treated effluents; industrial waste waters and effluent treatment plants including institutional and industrial sewage management
              • Solid waste management: Sources and classification of solid wastes along with planning and design of its management system; disposal system, beneficial aspects of wastes and utilization by civil engineers
              • Air, noise pollution, and ecology: Concepts and general methodology

              Civil engineering-Paper-II: Unit 04


              Geo-technical engineering and foundation engineering
              • Geo-technical engineering: Soil exploration-planning and methods, properties of soil, classification, various tests and interrelationships; permeability and seepage, compressibility, consolidation, and shearing resistance
              • Geo-technical engineering: Earth pressure theories and stress distribution in soil; properties and uses of geo-synthetics
              • Foundation engineering: Types of foundations and selection criteria, bearing capacity, settlement analysis, design and testing of shallow and deep foundations; slope stability analysis, earthen embankments
              • Foundation engineering: Dams and earth retaining structures-types, analysis, and design, principles of ground modifications

              Civil engineering-Paper-II: Unit 05


              Surveying and geology
              • Surveying: Classification of surveys, various methodologies, instruments and analysis of measurement of distances, elevation and directions; field astronomy, global positioning system; map preparation; photogrammetry; remote sensing concepts
              • Surveying: Survey layout for culverts, canals, bridges, road/ railway alignment and buildings, setting out of curves
              • Geology: Basic knowledge of engineering geology and its application in projects

              Civil engineering-Paper-II: Unit 06


              Transportation engineering
              • Highways: Planning and construction methodology, alignment and geometric design; traffic surveys and controls; principles of flexible and rigid pavements design
              • Tunneling: Alignment, methods of construction, disposal of muck, drainage, lighting and ventilation
              • Railways systems: Terminology, planning, designs and maintenance practices; track modernization
              • Harbours: Terminology, layouts, and planning
              • Airports: Layout, planning, and design

              Mechanical engineering-Paper-I: Unit 01


              Fluid mechanics
              • Basic concepts and properties of fluids, manometry, fluid statics, buoyancy, equations of motion, Bernoulli's equation and applications, viscous flow of incompressible fluids, laminar and turbulent flows, flow through pipes and head losses in pipes

              Mechanical engineering-Paper-I: Unit 02


              Thermodynamics and heat transfer
              • Thermodynamic systems and processes; properties of pure substance; zeroth, first, and second laws of thermodynamics; entropy, irreversibility, and availability
              • Analysis of thermodynamic cycles related to energy conversion: Rankine, Otto, diesel, and dual cycles; ideal and real gases; compressibility factor; gas mixtures
              • Modes of heat transfer, steady and unsteady heat conduction, thermal resistance, fins, free and forced convection, correlations for convective heat transfer, radiative heat transfer-radiation heat transfer coefficient
              • Boiling and condensation, heat exchanger performance analysis

              Mechanical engineering-Paper-I: Unit 03


              IC engines, refrigeration, and air conditioning
              • SI and CI engines, engine systems and components, performance characteristics and testing of IC engines; fuels; emissions and emission control
              • Vapour compression refrigeration, refrigerants and working cycles, compressors, condensers, evaporators and expansion devices, other types of refrigeration systems like vapour absorption, vapour jet, thermo electric and vortex tube refrigeration
              • Psychometric properties and processes, comfort chart, comfort and industrial air conditioning, load calculations and heat pumps

              Mechanical engineering-Paper-I: Unit 04


              Turbo machinery
              • Reciprocating and rotary pumps, Pelton wheel, Kaplan and Francis turbines, velocity diagrams, impulse and reaction principles, steam and gas turbines, theory of jet propulsion-pulse jet and Ram jet engines
              • Reciprocating and rotary compressors-theory and applications

              Mechanical engineering-Paper-I: Unit 05


              Power plant engineering
              • Rankine and Brayton cycles with regeneration and reheat, fuels and their properties, flue gas analysis, boilers
              • Steam turbines and other power plant components like condensers, air ejectors, electrostatic precipitators, and cooling towers-their theory and design, types, and applications

              Mechanical engineering-Paper-I: Unit 06


              Renewable sources of energy
              • Solar radiation, solar thermal energy collection-flat plate and focusing collectors their materials and performance
              • Solar thermal energy storage, applications-heating, cooling, and power generation; solar photovoltaic conversion; harnessing of wind energy, biomass and tidal energy-methods and applications, working principles of fuel cells

              Mechanical engineering-Paper-II: Unit 01


              Engineering mechanics
              • Analysis of system of forces, friction, centroid, and centre of gravity, dynamics; stresses and strains-compound stresses and strains, bending moment and shear force diagrams, theory of bending stresses, slope and deflection
              • Torsion, thin and thick cylinders, spheres

              Mechanical engineering-Paper-II: Unit 02


              Engineering materials
              • Basic crystallography, alloys and phase diagrams, heat treatment, ferrous and non ferrous metals, non-metallic materials, basics of nano-materials, mechanical properties and testing, corrosion prevention and control

              Mechanical engineering-Paper-II: Unit 03


              Mechanisms and machines
              • Types of kinematics pair, mobility, inversions, kinematic analysis, velocity and acceleration analysis of planar mechanisms, CAMs with uniform acceleration and retardation, cycloidal motion, oscillating followers
              • Vibrations-free and forced vibration of undamped and damped SDOF systems, transmissibility ratio, vibration isolation, critical speed of shafts
              • Law of gearing, involute profile, interference, helical, spiral, and worm gears, gear trains-simple, compound, and epicyclic; dynamic analysis-slider, crank mechanisms, turning moment computations, balancing of revolving and reciprocating masses
              • Gyroscopes-effect of gyroscopic couple on automobiles, ships and aircrafts, governors

              Mechanical engineering-Paper-II: Unit 04


              Design of machine elements
              • Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as riveted, welded, and bolted joints
              • Shafts, spur gears, rolling and sliding contact bearings, brakes and clutches, flywheels

              Mechanical engineering-Paper-II: Unit 05


              Manufacturing, industrial, and maintenance engineering
              • Metal casting-metal forming, metal joining, machining and machine tool operations, limits, fits and tolerances, metrology and inspection, computer integrated manufacturing, FMS, production planning and control
              • Inventory control and operations research-CPMPERT
              • Failure concepts and characteristics-reliability, failure analysis, machine vibration, data acquisition, fault detection, vibration monitoring, field balancing of rotors, noise monitoring, wear and debris analysis, signature analysis
              • Ndt techniques in condition monitoring

              Mechanical engineering-Paper-II: Unit 06


              Mechatronics and robotics
              • Microprocessors and microcontrollers: Architecture, programming, I/O, computer interfacing, programmable logic controller
              • Sensors 22 and actuators, piezoelectric accelerometer, hall effect sensor, optical encoder, resolver, inductosyn, pneumatic and hydraulic actuators, stepper motor, control Systems-mathematical modeling of physical systems, control signals
              • controllability and observability
              • Robotics, robot classification, robot specification, notation; direct and inverse kinematics; homogeneous coordinates and arm equation of four axis SCARA robot

              Electrical engineering-Paper-I: Unit 01


              Engineering mathematics
              • Matrix theory, eigen values and eigen vectors, system of linear equations, numerical methods for solution of non-linear algebraic equations and differential equations, integral calculus, partial derivatives, maxima and minima
              • Line, surface and volume integrals
              • Fourier series, linear, non-linear and partial differential equations, initial and boundary value problems, complex variables, Taylor's and Laurent's series, residue theorem, probability and statistics fundamentals, sampling theorem, random variables
              • Normal and Poisson distributions, correlation and regression analysis

              Electrical engineering-Paper-I: Unit 02


              Electrical materials
              • Electrical engineering materials, crystal structures and defects, ceramic materials, insulating materials, magnetic materials-basics, properties, and applications; ferrities, ferro-magnetic materials and components
              • Basics of solid state physics, conductors; photoconductivity; basics of nano materials and superconductors

              Electrical engineering-Paper-I: Unit 03


              Electric circuits and fields
              • Circuit elements, network graph, KCL, KVL, node, and mesh analysis, ideal current and voltage sources, Thevenin's, Norton's, superposition and maximum power transfer theorems, transient response of DC and AC networks, sinusoidal steady state analysis
              • Basic filter concepts, two-port networks, three phase circuits, magnetically coupled circuits, Gauss theorem, electric field and potential due to point, line, plane and spherical charge distributions, Ampere's and Biot-Savart's laws
              • Inductance, dielectrics, capacitance; Maxwell's equations

              Electrical engineering-Paper-I: Unit 04


              Electrical and electronic measurements
              • Principles of measurement, accuracy, precision and standards; bridges and potentiometers; moving coil, moving iron, dynamometer and induction type instruments, measurement of voltage, current, power, energy and power factor, instrument transformers
              • Digital voltmeters and multi-meters, phase, time and frequency measurement, Q-meters, oscilloscopes, potentiometric recorders, error analysis, Basics of sensors, transducers, basics of data acquisition systems

              Electrical engineering-Paper-I: Unit 05


              Computer fundamentals
              • Number systems, Boolean algebra, arithmetic functions, basic architecture, central processing unit, I/O and memory organisation; peripheral devices, data representation and programming, basics of operating system and networking, virtual memory
              • File systems; elements of programming languages, typical examples

              Electrical engineering-Paper-I: Unit 06


              Basic electronics engineering
              • Basics of semiconductor diodes and transistors and characteristics, junction and field effect transistors (BJT, FET, and MOSFETS), different types of transistor amplifiers, equivalent circuits and frequency response; oscillators and other circuits
              • Feedback amplifiers

              Electrical engineering-Paper-II: Unit 01


              Analog and digital electronics
              • Operational amplifiers-characteristics and applications, combinational and sequential logic circuits, multiplexers, multi-vibrators, sample and hold circuits, A/D and D/A converters, basics of filter circuits and applications, simple active filters
              • Microprocessor basics-interfaces and applications, basics of linear integrated circuits; analog communication basics, modulation and demodulation, noise and bandwidth, transmitters and receivers, signal to noise ratio, digital communication basics
              • Sampling, quantizing, coding, frequency and time domain multiplexing, power line carrier communication systems

              Electrical engineering-Paper-II: Unit 02


              Systems and signal processing
              • Representation of continuous and discrete-time signals, shifting and scaling operations, linear, time-invariant and causal systems, Fourier series representation of continuous periodic signals, sampling theorem, Fourier and Laplace transforms
              • Z transforms, discrete Fourier transform, FFT, linear convolution, discrete cosine transform, FIR filter, IIR filter, bilinear transformation

              Electrical engineering-Paper-II: Unit 03


              Control systems
              • Principles of feedback, transfer function, block diagrams and signal flow graphs, steady-state errors, transforms and their applications; Routh-Hurwitz criterion, Nyquist techniques, Bode plots, root loci, lag, lead and lead-lag compensation
              • Stability analysis, transient and frequency response analysis, state space model, state transition matrix, controllability and observability, linear state variable feedback, PID and industrial controllers

              Electrical engineering-Paper-II: Unit 04


              Electrical machines
              • Single phase transformers, three phase transformers-connections, parallel operation, auto-transformer, energy conversion principles, DC machines-types, windings, generator characteristics, armature reaction and commutation
              • Starting and speed control of motors, induction motors-principles, types, performance characteristics, starting and speed control
              • Synchronous machines-performance, regulation, parallel operation of generators, motor starting, characteristics and applications, servo and stepper motors

              Electrical engineering-Paper-II: Unit 05


              Power systems
              • Basic power generation concepts, steam, gas, and water turbines, transmission line models and performance, cable performance, insulation, corona and radio interference, power factor correction, symmetrical components, fault analysis
              • Principles of protection systems, basics of solid state relays and digital protection; circuit breakers, radial and ring-main distribution systems, matrix representation of power systems, load flow analysis, voltage control and economic operation
              • System stability concepts, swing curves and equal area criterion
              • HVDC transmission and FACTS concepts, concepts of power system dynamics, distributed generation, solar and wind power, smart grid concepts, environmental implications, fundamentals of power economics

              Electrical engineering-Paper-II: Unit 06


              Power electronics and drives
              • Semiconductor power diodes, transistors, thyristors, triacs, GTOs, MOSFETs, and IGBTs-static characteristics and principles of operation, triggering circuits, phase control rectifiers, bridge converters-fully controlled and half controlled
              • Principles of choppers and inverters, basis concepts of adjustable speed DC and AC drives, DC-DC switched mode converters, DC-AC switched mode converters, resonant converters, high frequency inductors and transformers, power supplies

              Electronics and telecommunication engineering-Paper-I: Unit 01


              Basic electronics engineering
              • Basics of semiconductors; diode/ transistor basics and characteristics; diodes for different uses; junction and field effect transistors (BJTs, JFETs, MOSFETs); transistor amplifiers of different types, oscillators and other circuits
              • Basics of integrated circuits (ICs); bipolar, MOS and CMOS ICs; basics of linear ICs, operational amplifiers and their applications-linear/ non-linear; optical sources/ detectors; basics of upto electronics and its applications

              Electronics and telecommunication engineering-Paper-I: Unit 02


              Basic electrical engineering
              • DC circuits-Ohm's and Kirchhoff's laws, mesh and nodal analysis, circuit theorems; electro-magnetism, Faraday's and Lenz's laws, induced EMF and its uses; single-phase AC circuits; transformers, efficiency
              • Basics-DC machines, induction machines, and synchronous machines; electrical power sources-basics: hydroelectric, thermal, nuclear, wind, solar; basics of batteries and their uses

              Electronics and telecommunication engineering-Paper-I: Unit 03


              Materials science
              • Electrical engineering materials; crystal structure and defects; ceramic materials-structures, composites, processing, and uses; insulating laminates for electronics, structures, properties, and uses
              • Magnetic materials, basics, classification, ferrites, ferro/ paramagnetic materials and components; nano materials-basics, preparation, purification, sintering, nano particles, and uses; nanooptical/ magnetic/ electronic materials and uses
              • Superconductivity, uses

              Electronics and telecommunication engineering-Paper-I: Unit 04


              Electronic measurements and instrumentation
              • Principles of measurement, accuracy, precision and standards; analog and digital systems for measurement, measuring instruments for different applications; static/ dynamic characteristics of measurement systems, errors
              • Statistical analysis and curve fitting; measurement systems for non-electrical quantities; basics of telemetry; different types of transducers and displays; data acquisition system basics

              Electronics and telecommunication engineering-Paper-I: Unit 05


              Network theory
              • Network graphs and matrices; Wye-Delta transformation; linear constant coefficient differential equations-time domain analysis of RLC circuits; solution of network equations using Laplace transforms-frequency domain analysis of RLC circuits
              • 2-port network parameters-driving point and transfer functions; state equations for networks; steady state sinusoidal analysis

              Electronics and telecommunication engineering-Paper-I: Unit 06


              Analog and digital circuits
              • Small signal equivalent circuits of diodes, BJTS and FETs; diode circuits for different uses; biasing and stability of BJT and JFET amplifier circuits; analysis/ design of amplifier-single/ multi-stage; feedback and uses
              • Active filters, timers, multipliers, wave shaping, A/D-D/A converters; Boolean algebra and uses; logic gates, digital IC families, combinatorial/ sequential circuits
              • Basics of multiplexers, counters/ registers/ memories / microprocessors, design and applications

              Electronics and telecommunication engineering-Paper-II: Unit 01


              Analog and digital communication systems
              • Random signals, noise, probability theory, information theory; analog versus digital communication and applications: Systems-AM, FM, transmitters/ receivers, theory/ practice/ standards, SNR comparison
              • Digital communication basics: Sampling, quantizing, coding, PCM, DPCM, multiplexing-audio/ video; digital modulation: ASK, FSK, PSK; multiple access: TDMA, FDMA, CDMA; optical communication: Fibre optics, theory, practice/ standards

              Electronics and telecommunication engineering-Paper-II: Unit 02


              Control systems
              • Classification of signals and systems; application of signal and system theory; system realization; transforms and their applications; signal flow graphs, Routh-Hurwitz criteria, root loci, Nyquist/ Bode plots
              • Feedback systems-open and close loop types, stability analysis, steady state, transient and frequency response analysis; design of control systems, compensators, elements of lead/ lag compensation, PID and industrial controllers

              Electronics and telecommunication engineering-Paper-II: Unit 03


              Computer organization and architecture
              • Basic architecture, CPU, I/O organisation, memory organisation, peripheral devices, trends; hardware/ software issues; data representation and programming; operating systems-basics, processes, characteristics, applications
              • Memory management, virtual memory, file systems, protection and security; data bases, different types, characteristics and design; transactions and concurrency control; elements of programming languages, typical examples

              Electronics and telecommunication engineering-Paper-II: Unit 04


              Electro magnetics
              • Elements of vector calculus, Maxwell's equations-basic concepts; Gauss', Stokes' theorems; wave propagation through different media; transmission lines-different types, basics, Smith's chart, impedance matching/ transformation, S-parameters
              • Pulse excitation, uses; waveguides-basics, rectangular types, modes, cut-off frequency, dispersion, dielectric types; antennas-radiation pattern, monopoles/ dipoles, gain, arrays-active/ passive, theory, uses

              Electronics and telecommunication engineering-Paper-II: Unit 05


              Advanced electronics topics
              • VLSI technology: Processing, lithography, interconnects, packaging, testing; VLSI design: Principles, MUX/ ROM/ PLA-based design, Moore and Mealy circuit design; pipeline concepts and functions
              • Design for testability, examples; DSP: Discrete time signals/ systems, uses; digital filters: FIR/ IIR types, design, speech/ audio/ radar signal processing uses; microprocessors and microcontrollers, basics, interrupts, DMA, instruction sets, interfacing
              • Controllers and uses; embedded systems

              Electronics and telecommunication engineering-Paper-II: Unit 06


              Advanced communication topics
              • Communication networks: Principles/ practices / technologies / uses / OSI model/ security; basic packet multiplexed streams/ scheduling; cellular networks, types, analysis, protocols (TCP/ TCPIP)
              • Microwave and satellite communication: Terrestrial/ space type LOS systems, block schematics link calculations, system design; communication satellites, orbits, characteristics, systems, uses
              • Fibre-optic communication systems, block schematics, link calculations, system design
              UPSC ESE 2025 Main Exam 2025

              Civil engineering-Paper-I: Unit 01


              Building materials
              • Stone, lime, glass, plastics, steel, FRP, ceramics, aluminium, fly ash, basic admixtures, timber, bricks and aggregates: Classification, properties, and selection criteria, cement: types, composition, properties, uses, specifications, and various tests
              • Lime and cement mortars and concrete: Properties and various tests; design of concrete mixes: Proportioning of aggregates and methods of mix design

              Civil engineering-Paper-I: Unit 02


              Solid mechanics
              • Elastic constants, stress, plane stress, strains, plane strain, Mohr's circle of stress and strain, elastic theories of failure, principal stresses, bending, shear and torsion

              Civil engineering-Paper-I: Unit 03


              Structural analysis
              • Basics of strength of materials, types of stresses and strains, bending moments and shear force, concept of bending and shear stresses; analysis of determinate and indeterminate structures; trusses, beams, plane frames
              • Rolling loads, influence lines, unit load method and other methods; free and forced vibrations of single degree and multi degree freedom system; suspended cables; concepts and use of computer aided design

              Civil engineering-Paper-I: Unit 04


              Design of steel structures
              • Principles of working stress methods, design of tension and compression members, design of beams and beam column connections, built-up sections, girders, industrial roofs, principles of ultimate load design

              Civil engineering-Paper-I: Unit 05


              Design of concrete and masonry structures
              • Limit state design for bending, shear, axial compression and combined forces; design of beams, slabs, lintels, foundations, retaining walls, tanks, staircases; principles of pre-stressed concrete design including materials and methods
              • Earthquake resistant design of structures; design of masonry structure

              Civil engineering-Paper-I: Unit 06


              Construction practice, planning, and management
              • Construction-planning, equipment, site investigation and management including estimation with latest project management tools and network analysis for different types of works; analysis of rates of various types of works
              • Tendering process and contract management, quality control, productivity, operation cost; land acquisition; labour safety and welfare

              Civil engineering-Paper-II: Unit 01


              Flow of fluids, hydraulic machines, and hydro power
              • Fluid mechanics, open channel flow, pipe flow: Fluid properties; dimensional analysis and modeling; fluid dynamics including flow kinematics and measurements; flow net; Viscosity, boundary layer and control, drag, lift
              • Fluid mechanics, open channel flow, pipe flow: Principles in open channel flow, flow controls. Hydraulic jump; surges; pipe networks
              • Hydraulic machines and hydro power: Various pumps, air vessels, hydraulic turbines-types, classifications, and performance parameters; power house-classification and layout, storage, pondage, control of supply

              Civil engineering-Paper-II: Unit 02


              Hydrology and water resources engineering
              • Hydrological cycle, ground water hydrology, well hydrology and related data analysis; streams and their gauging; river morphology; flood, drought, and their management; capacity of reservoirs
              • Water resources engineering: Multipurpose uses of water, river basins and their potential; irrigation systems, water demand assessment; resources-storages and their yields; water logging, canal and drainage design, gravity dams, falls, weirs
              • Water resources engineering: Energy dissipaters, barrage distribution works, cross drainage works and head-works and their design; concepts in canal design, construction and maintenance; river training, measurement and analysis of rainfall

              Civil engineering-Paper-II: Unit 03


              Environmental engineering
              • Water supply engineering: Sources, estimation, quality standards and testing of water and their treatment; rural, institutional, and industrial water supply; physical, chemical, and biological characteristics and sources of water
              • Water supply engineering: Pollutants in water and its effects, estimation of water demand; drinking water standards, water treatment plants, water distribution network
              • Waste water engineering: Planning and design of domestic waste water, sewage collection and disposal; plumbing systems. Components and layout of sewerage system; planning and design of domestic waste-water disposal system
              • Waste water engineering: Sludge management including treatment, disposal, and re-use of treated effluents; industrial waste waters and effluent treatment plants including institutional and industrial sewage management
              • Solid waste management: Sources and classification of solid wastes along with planning and design of its management system; disposal system, beneficial aspects of wastes and utilization by civil engineers
              • Air, noise pollution, and ecology: Concepts and general methodology

              Civil engineering-Paper-II: Unit 04


              Geo-technical engineering and foundation engineering
              • Geo-technical engineering: Soil exploration-planning and methods, properties of soil, classification, various tests and interrelationships; permeability and seepage, compressibility, consolidation, and shearing resistance
              • Geo-technical engineering: Earth pressure theories and stress distribution in soil; properties and uses of geo-synthetics
              • Foundation engineering: Types of foundations and selection criteria, bearing capacity, settlement analysis, design and testing of shallow and deep foundations; slope stability analysis, earthen embankments
              • Foundation engineering: Dams and earth retaining structures-types, analysis, and design, principles of ground modifications

              Civil engineering-Paper-II: Unit 05


              Surveying and geology
              • Surveying: Classification of surveys, various methodologies, instruments and analysis of measurement of distances, elevation and directions; field astronomy, global positioning system; map preparation; photogrammetry; remote sensing concepts
              • Surveying: Survey layout for culverts, canals, bridges, road/ railway alignment and buildings, setting out of curves
              • Geology: Basic knowledge of engineering geology and its application in projects

              Civil engineering-Paper-II: Unit 06


              Transportation engineering
              • Highways: Planning and construction methodology, alignment and geometric design; traffic surveys and controls; principles of flexible and rigid pavements design
              • Tunneling: Alignment, methods of construction, disposal of muck, drainage, lighting and ventilation
              • Railways systems: Terminology, planning, designs and maintenance practices; track modernization
              • Harbours: Terminology, layouts, and planning
              • Airports: Layout, planning, and design

              Mechanical engineering-Paper-I: Unit 01


              Fluid mechanics
              • Basic concepts and properties of fluids, manometry, fluid statics, buoyancy, equations of motion, Bernoulli's equation and applications, viscous flow of incompressible fluids, laminar and turbulent flows, flow through pipes and head losses in pipes

              Mechanical engineering-Paper-I: Unit 02


              Thermodynamics and heat transfer
              • Thermodynamic systems and processes; properties of pure substance; zeroth, first, and second laws of thermodynamics; entropy, irreversibility, and availability
              • Analysis of thermodynamic cycles related to energy conversion: Rankine, Otto, diesel, and dual cycles; ideal and real gases; compressibility factor; gas mixtures
              • Modes of heat transfer, steady and unsteady heat conduction, thermal resistance, fins, free and forced convection, correlations for convective heat transfer, radiative heat transfer-radiation heat transfer coefficient
              • Boiling and condensation, heat exchanger performance analysis

              Mechanical engineering-Paper-I: Unit 03


              IC engines, refrigeration, and air conditioning
              • SI and CI engines, engine systems and components, performance characteristics and testing of IC engines; fuels; emissions and emission control
              • Vapour compression refrigeration, refrigerants and working cycles, compressors, condensers, evaporators and expansion devices, other types of refrigeration systems like vapour absorption, vapour jet, thermo electric and vortex tube refrigeration
              • Psychometric properties and processes, comfort chart, comfort and industrial air conditioning, load calculations and heat pumps

              Mechanical engineering-Paper-I: Unit 04


              Turbo machinery
              • Reciprocating and rotary pumps, Pelton wheel, Kaplan and Francis turbines, velocity diagrams, impulse and reaction principles, steam and gas turbines, theory of jet propulsion-pulse jet and Ram jet engines
              • Reciprocating and rotary compressors-theory and applications

              Mechanical engineering-Paper-I: Unit 05


              Power plant engineering
              • Rankine and Brayton cycles with regeneration and reheat, fuels and their properties, flue gas analysis, boilers
              • Steam turbines and other power plant components like condensers, air ejectors, electrostatic precipitators, and cooling towers-their theory and design, types, and applications

              Mechanical engineering-Paper-I: Unit 06


              Renewable sources of energy
              • Solar radiation, solar thermal energy collection-flat plate and focusing collectors their materials and performance
              • Solar thermal energy storage, applications-heating, cooling, and power generation; solar photovoltaic conversion; harnessing of wind energy, biomass and tidal energy-methods and applications, working principles of fuel cells

              Mechanical engineering-Paper-II: Unit 01


              Engineering mechanics
              • Analysis of system of forces, friction, centroid, and centre of gravity, dynamics; stresses and strains-compound stresses and strains, bending moment and shear force diagrams, theory of bending stresses, slope and deflection
              • Torsion, thin and thick cylinders, spheres

              Mechanical engineering-Paper-II: Unit 02


              Engineering materials
              • Basic crystallography, alloys and phase diagrams, heat treatment, ferrous and non ferrous metals, non-metallic materials, basics of nano-materials, mechanical properties and testing, corrosion prevention and control

              Mechanical engineering-Paper-II: Unit 03


              Mechanisms and machines
              • Types of kinematics pair, mobility, inversions, kinematic analysis, velocity and acceleration analysis of planar mechanisms, CAMs with uniform acceleration and retardation, cycloidal motion, oscillating followers
              • Vibrations-free and forced vibration of undamped and damped SDOF systems, transmissibility ratio, vibration isolation, critical speed of shafts
              • Law of gearing, involute profile, interference, helical, spiral, and worm gears, gear trains-simple, compound, and epicyclic; dynamic analysis-slider, crank mechanisms, turning moment computations, balancing of revolving and reciprocating masses
              • Gyroscopes-effect of gyroscopic couple on automobiles, ships and aircrafts, governors

              Mechanical engineering-Paper-II: Unit 04


              Design of machine elements
              • Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as riveted, welded, and bolted joints
              • Shafts, spur gears, rolling and sliding contact bearings, brakes and clutches, flywheels

              Mechanical engineering-Paper-II: Unit 05


              Manufacturing, industrial, and maintenance engineering
              • Metal casting-metal forming, metal joining, machining and machine tool operations, limits, fits and tolerances, metrology and inspection, computer integrated manufacturing, FMS, production planning and control
              • Inventory control and operations research-CPMPERT
              • Failure concepts and characteristics-reliability, failure analysis, machine vibration, data acquisition, fault detection, vibration monitoring, field balancing of rotors, noise monitoring, wear and debris analysis, signature analysis
              • Ndt techniques in condition monitoring

              Mechanical engineering-Paper-II: Unit 06


              Mechatronics and robotics
              • Microprocessors and microcontrollers: Architecture, programming, I/O, computer interfacing, programmable logic controller
              • Sensors 22 and actuators, piezoelectric accelerometer, hall effect sensor, optical encoder, resolver, inductosyn, pneumatic and hydraulic actuators, stepper motor, control Systems-mathematical modeling of physical systems, control signals
              • controllability and observability
              • Robotics, robot classification, robot specification, notation; direct and inverse kinematics; homogeneous coordinates and arm equation of four axis SCARA robot

              Electrical engineering-Paper-I: Unit 01


              Engineering mathematics
              • Matrix theory, eigen values and eigen vectors, system of linear equations, numerical methods for solution of non-linear algebraic equations and differential equations, integral calculus, partial derivatives, maxima and minima
              • Line, surface and volume integrals
              • Fourier series, linear, non-linear and partial differential equations, initial and boundary value problems, complex variables, Taylor's and Laurent's series, residue theorem, probability and statistics fundamentals, sampling theorem, random variables
              • Normal and Poisson distributions, correlation and regression analysis

              Electrical engineering-Paper-I: Unit 02


              Electrical materials
              • Electrical engineering materials, crystal structures and defects, ceramic materials, insulating materials, magnetic materials-basics, properties, and applications; ferrities, ferro-magnetic materials and components
              • Basics of solid state physics, conductors; photoconductivity; basics of nano materials and superconductors

              Electrical engineering-Paper-I: Unit 03


              Electric circuits and fields
              • Circuit elements, network graph, KCL, KVL, node, and mesh analysis, ideal current and voltage sources, Thevenin's, Norton's, superposition and maximum power transfer theorems, transient response of DC and AC networks, sinusoidal steady state analysis
              • Basic filter concepts, two-port networks, three phase circuits, magnetically coupled circuits, Gauss theorem, electric field and potential due to point, line, plane and spherical charge distributions, Ampere's and Biot-Savart's laws
              • Inductance, dielectrics, capacitance; Maxwell's equations

              Electrical engineering-Paper-I: Unit 04


              Electrical and electronic measurements
              • Principles of measurement, accuracy, precision and standards; bridges and potentiometers; moving coil, moving iron, dynamometer and induction type instruments, measurement of voltage, current, power, energy and power factor, instrument transformers
              • Digital voltmeters and multi-meters, phase, time and frequency measurement, Q-meters, oscilloscopes, potentiometric recorders, error analysis, Basics of sensors, transducers, basics of data acquisition systems

              Electrical engineering-Paper-I: Unit 05


              Computer fundamentals
              • Number systems, Boolean algebra, arithmetic functions, basic architecture, central processing unit, I/O and memory organisation; peripheral devices, data representation and programming, basics of operating system and networking, virtual memory
              • File systems; elements of programming languages, typical examples

              Electrical engineering-Paper-I: Unit 06


              Basic electronics engineering
              • Basics of semiconductor diodes and transistors and characteristics, junction and field effect transistors (BJT, FET, and MOSFETS), different types of transistor amplifiers, equivalent circuits and frequency response; oscillators and other circuits
              • Feedback amplifiers

              Electrical engineering-Paper-II: Unit 01


              Analog and digital electronics
              • Operational amplifiers-characteristics and applications, combinational and sequential logic circuits, multiplexers, multi-vibrators, sample and hold circuits, A/D and D/A converters, basics of filter circuits and applications, simple active filters
              • Microprocessor basics-interfaces and applications, basics of linear integrated circuits; analog communication basics, modulation and demodulation, noise and bandwidth, transmitters and receivers, signal to noise ratio, digital communication basics
              • Sampling, quantizing, coding, frequency and time domain multiplexing, power line carrier communication systems

              Electrical engineering-Paper-II: Unit 02


              Systems and signal processing
              • Representation of continuous and discrete-time signals, shifting and scaling operations, linear, time-invariant and causal systems, Fourier series representation of continuous periodic signals, sampling theorem, Fourier and Laplace transforms
              • Z transforms, discrete Fourier transform, FFT, linear convolution, discrete cosine transform, FIR filter, IIR filter, bilinear transformation

              Electrical engineering-Paper-II: Unit 03


              Control systems
              • Principles of feedback, transfer function, block diagrams and signal flow graphs, steady-state errors, transforms and their applications; Routh-Hurwitz criterion, Nyquist techniques, Bode plots, root loci, lag, lead and lead-lag compensation
              • Stability analysis, transient and frequency response analysis, state space model, state transition matrix, controllability and observability, linear state variable feedback, PID and industrial controllers

              Electrical engineering-Paper-II: Unit 04


              Electrical machines
              • Single phase transformers, three phase transformers-connections, parallel operation, auto-transformer, energy conversion principles, DC machines-types, windings, generator characteristics, armature reaction and commutation
              • Starting and speed control of motors, induction motors-principles, types, performance characteristics, starting and speed control
              • Synchronous machines-performance, regulation, parallel operation of generators, motor starting, characteristics and applications, servo and stepper motors

              Electrical engineering-Paper-II: Unit 05


              Power systems
              • Basic power generation concepts, steam, gas, and water turbines, transmission line models and performance, cable performance, insulation, corona and radio interference, power factor correction, symmetrical components, fault analysis
              • Principles of protection systems, basics of solid state relays and digital protection; circuit breakers, radial and ring-main distribution systems, matrix representation of power systems, load flow analysis, voltage control and economic operation
              • System stability concepts, swing curves and equal area criterion
              • HVDC transmission and FACTS concepts, concepts of power system dynamics, distributed generation, solar and wind power, smart grid concepts, environmental implications, fundamentals of power economics

              Electrical engineering-Paper-II: Unit 06


              Power electronics and drives
              • Semiconductor power diodes, transistors, thyristors, triacs, GTOs, MOSFETs, and IGBTs-static characteristics and principles of operation, triggering circuits, phase control rectifiers, bridge converters-fully controlled and half controlled
              • Principles of choppers and inverters, basis concepts of adjustable speed DC and AC drives, DC-DC switched mode converters, DC-AC switched mode converters, resonant converters, high frequency inductors and transformers, power supplies

              Electronics and telecommunication engineering-Paper-I: Unit 01


              Basic electronics engineering
              • Basics of semiconductors; diode/ transistor basics and characteristics; diodes for different uses; junction and field effect transistors (BJTs, JFETs, MOSFETs); transistor amplifiers of different types, oscillators and other circuits
              • Basics of integrated circuits (ICs); bipolar, MOS and CMOS ICs; basics of linear ICs, operational amplifiers and their applications-linear/ non-linear; optical sources/ detectors; basics of upto electronics and its applications

              Electronics and telecommunication engineering-Paper-I: Unit 02


              Basic electrical engineering
              • DC circuits-Ohm's and Kirchhoff's laws, mesh and nodal analysis, circuit theorems; electro-magnetism, Faraday's and Lenz's laws, induced EMF and its uses; single-phase AC circuits; transformers, efficiency
              • Basics-DC machines, induction machines, and synchronous machines; electrical power sources-basics: hydroelectric, thermal, nuclear, wind, solar; basics of batteries and their uses

              Electronics and telecommunication engineering-Paper-I: Unit 03


              Materials science
              • Electrical engineering materials; crystal structure and defects; ceramic materials-structures, composites, processing, and uses; insulating laminates for electronics, structures, properties, and uses
              • Magnetic materials, basics, classification, ferrites, ferro/ paramagnetic materials and components; nano materials-basics, preparation, purification, sintering, nano particles, and uses; nanooptical/ magnetic/ electronic materials and uses
              • Superconductivity, uses

              Electronics and telecommunication engineering-Paper-I: Unit 04


              Electronic measurements and instrumentation
              • Principles of measurement, accuracy, precision and standards; analog and digital systems for measurement, measuring instruments for different applications; static/ dynamic characteristics of measurement systems, errors
              • Statistical analysis and curve fitting; measurement systems for non-electrical quantities; basics of telemetry; different types of transducers and displays; data acquisition system basics

              Electronics and telecommunication engineering-Paper-I: Unit 05


              Network theory
              • Network graphs and matrices; Wye-Delta transformation; linear constant coefficient differential equations-time domain analysis of RLC circuits; solution of network equations using Laplace transforms-frequency domain analysis of RLC circuits
              • 2-port network parameters-driving point and transfer functions; state equations for networks; steady state sinusoidal analysis

              Electronics and telecommunication engineering-Paper-I: Unit 06


              Analog and digital circuits
              • Small signal equivalent circuits of diodes, BJTS and FETs; diode circuits for different uses; biasing and stability of BJT and JFET amplifier circuits; analysis/ design of amplifier-single/ multi-stage; feedback and uses
              • Active filters, timers, multipliers, wave shaping, A/D-D/A converters; Boolean algebra and uses; logic gates, digital IC families, combinatorial/ sequential circuits
              • Basics of multiplexers, counters/ registers/ memories / microprocessors, design and applications

              Electronics and telecommunication engineering-Paper-II: Unit 01


              Analog and digital communication systems
              • Random signals, noise, probability theory, information theory; analog versus digital communication and applications: Systems-AM, FM, transmitters/ receivers, theory/ practice/ standards, SNR comparison
              • Digital communication basics: Sampling, quantizing, coding, PCM, DPCM, multiplexing-audio/ video; digital modulation: ASK, FSK, PSK; multiple access: TDMA, FDMA, CDMA; optical communication: Fibre optics, theory, practice/ standards

              Electronics and telecommunication engineering-Paper-II: Unit 02


              Control systems
              • Classification of signals and systems; application of signal and system theory; system realization; transforms and their applications; signal flow graphs, Routh-Hurwitz criteria, root loci, Nyquist/ Bode plots
              • Feedback systems-open and close loop types, stability analysis, steady state, transient and frequency response analysis; design of control systems, compensators, elements of lead/ lag compensation, PID and industrial controllers

              Electronics and telecommunication engineering-Paper-II: Unit 03


              Computer organization and architecture
              • Basic architecture, CPU, I/O organisation, memory organisation, peripheral devices, trends; hardware/ software issues; data representation and programming; operating systems-basics, processes, characteristics, applications
              • Memory management, virtual memory, file systems, protection and security; data bases, different types, characteristics and design; transactions and concurrency control; elements of programming languages, typical examples

              Electronics and telecommunication engineering-Paper-II: Unit 04


              Electro magnetics
              • Elements of vector calculus, Maxwell's equations-basic concepts; Gauss', Stokes' theorems; wave propagation through different media; transmission lines-different types, basics, Smith's chart, impedance matching/ transformation, S-parameters
              • Pulse excitation, uses; waveguides-basics, rectangular types, modes, cut-off frequency, dispersion, dielectric types; antennas-radiation pattern, monopoles/ dipoles, gain, arrays-active/ passive, theory, uses

              Electronics and telecommunication engineering-Paper-II: Unit 05


              Advanced electronics topics
              • VLSI technology: Processing, lithography, interconnects, packaging, testing; VLSI design: Principles, MUX/ ROM/ PLA-based design, Moore and Mealy circuit design; pipeline concepts and functions
              • Design for testability, examples; DSP: Discrete time signals/ systems, uses; digital filters: FIR/ IIR types, design, speech/ audio/ radar signal processing uses; microprocessors and microcontrollers, basics, interrupts, DMA, instruction sets, interfacing
              • Controllers and uses; embedded systems

              Electronics and telecommunication engineering-Paper-II: Unit 06


              Advanced communication topics
              • Communication networks: Principles/ practices / technologies / uses / OSI model/ security; basic packet multiplexed streams/ scheduling; cellular networks, types, analysis, protocols (TCP/ TCPIP)
              • Microwave and satellite communication: Terrestrial/ space type LOS systems, block schematics link calculations, system design; communication satellites, orbits, characteristics, systems, uses
              • Fibre-optic communication systems, block schematics, link calculations, system design

              Preliminary Exam

              UPSC will release the UPSC ESE admit card 2025 for the prelims in online mode. Candidates can download the admit card of UPSC ESE 2025 by using either their roll number or registration id. The admit card must be brought to the examination centre on the day of the exam along with any of the following photo ID proofs:

              • Aadhar card

              • Passport

              • Driving license

              • Voter ID card

              • PAN card

              • Employee ID card

              • University/College ID proof

              How to download UPSC ESE Prelims Admit Card 2025

              To download the admit card of UPSC ESE, the candidate must follow the steps mentioned below:

              1. Go to the official website of UPSC 

              2. Click on UPSC ESE 2025 admit card link

              3. Click on the "To download e-admit card" link

              4. The screen will display the instructions page

              5. Read the instructions and click on ‘yes’ to proceed

              6. Select either registration id or roll number

              7. Enter any one login credentials.

              8. UPSC ESE admit card 2025 will be displayed on the screen.

              9. Download the admit card and take a printout.

              Main Exam

              The mains admit card of UPSC ESE will be released online to applicants who have qualified the ESE prelims exam. The UPSC ESE admit card for mains exam will be available to download at upsc.gov.in. To download the UPSC ESE mains admit card, candidates must enter their registration number or roll number and date of birth. UPSC ESE mains admit card will contain the details of the candidates along with the date and time of the mains exam along with the mains exam centre details. 

              Steps to download UPSC ESE Mains Admit Card 2025

              1. Visit the official website of UPSC 

              2. Click on UPSC ESE 2025 admit card link

              3. Select either registration id or roll number

              4. Enter the required login credentials.

              5. UPSC ESE admit card 2025 will be displayed on the screen.


              The unofficial answer key of UPSC ESE will be released by coaching centres like MADE EASY and IES Master. UPSC ESE answer key will be released by the examination authority only for the prelims stage of examination. The answer key will be out once the recruitment process is over. 

              UPSC does not provide any challenge option on the answer key. Candidates can cross check their answers with that of the correct answer option given in the official UPSC ESE answer key PDF. To know as to how to check the answer key of UPSC ESE, candidates must go through the steps mentioned below:

              Steps to download UPSC ESE answer key 2025

              Step 1: Visit the official website of UPSC

              Step 2: Select the examination section on the web page of UPSC

              Step 3: Click on the  answer key option available in the examination drop down

              Step 4: Select UPSC ESE answer key

              Step 5: The screen will then display the answer key for all sets in the form of PDF.

              Step 3: Download the answer key PDF

              Preliminary Exam

              The prelims exam result of UPSC ESE 2025 will be announced on the official website few weeks after the exam. Candidate can check their UPSC ESE results in the form of a PDF. Authorities provided the roll numbers of all successful candidates in a PDF file. 

              All the prelims-qualified candidates will have to appear for the mains exam. However, the marks secured by the candidates in the prelims exam will not be considered while preparing the final merit list. The result of UPSC ESE is announced in three stages - prelims, mains and the final result.

              Steps to check the result of UPSC ESE 2025

              1. Visit the official website of UPSC

              2. Click on the result link of UPSC ESE

              3. The screen will then display UPSC ESE result PDF

              4. Press Ctrl+F and enter your roll number in the search box to check your result

              5. Download the result PDF for future references.

              Main Exam

              UPSC ESE mains result will be released on the official website. All those candidates who qualified the ESE prelims exam were eligible to appear in the UPSC ESE mains exam. The UPSC ESE mains qualified applicants will further be called for the interview/personality test. 

              UPSC ESE 2025 result is released in PDF format containing the roll numbers of all the qualified candidates. The final result of UPSC ESE is announced on the basis of the marks secured by the candidates in the mains exam and the personality test. 

              How to check UPSC ESE result 2025

              1. Visit the official website of UPSC

              2. Click on the result link of UPSC ESE

              3. The screen will then display UPSC ESE result PDF

              4. Press Ctrl+F and enter your roll number in the search box to check your result

              5. Download the result PDF for future references.

              Candidates who want to get themselves inducted into Engineering Services should follow three stages of the recruitment process defined by UPSC.

              1. Prelims

              2. Mains

              3. Interview

              Applicants who will secure the cut-off marks in the final stage will be declared qualified for the exam. The exam conducting authorities along with the declaration of the result also released the reserve list of the candidates.

              General Information

              Contacts

              01123098543 + 3 more

              Relevant Links

              Official Website Link Click Here + 1 more

              Frequently Asked Questions

              1. What is the upper age limit to apply for the ESE exam?

              The upper age limit to apply for ESE exam is 30 years for general candidates.

              2. What is the last date to fill the ESE application form 2025?

              The last date to fill out the ESE 2025 application form was November 22, 2024

              3. When will the ESE 2025 notification going to be released?

              UPSC ESE 2025 notification was released on September 18, 2024

              4. When will I receive admit card for UPSC ESE prelims exam?

              UPSC releases the  admit card of UPSC ESE for prelims on the official website.

              5. What is salary of ESE officers ?

              During joining time, ESE candidates receive remuneration of Rs.15,600 – Rs 39,100 as basic pay while grade pay will be Rs 5,400.

              6. Is IES equal to IAS ?

              ESE or IES exam is class A post but in technical field while IAS is a generalist post.

              7. Is IES and ESE same ?

              Yes, Engineering Services Examination (ESE) exam was previously known as Indian Engineering Services (IES).

              8. Is there any limit for the number of attempts for appearing in the UPSC ESE 2025 exam?

              No, there is no such limit on the number of attempts you can take, however, you can appear for the exam only until you meet the age criteria of 30 years of age.

              9. What if I make a mistake in my UPSC ESE 2025 application form? Will I have to fill another form?

              UPSC activates an application correction window for a limited period of time during which you can make changes/corrections in your application form.

              10. Should I secure a particular marks in graduation to appear in the UPSC ESE 2025 exam?

              To appear in the UPSC ESE exam, a candidate must hold an engineering degree with at least 60% marks.

              11. What is upper age limit for appearing in Engineering Services Examination (ESE) exam ?

              To appear in UPSC ESE examination a candidate must not be less than 21 years of age and more than 30 years of age. However, certain age relaxations have been given to the candidates belonging to the reserved category like SC/ST - 5 years, OBC - 3 years etc.

              Questions related to UPSC ESE

              Have a question related to UPSC ESE ?

              Hello aspirant,

              Hope you are doing absolutely great.

              So with regard to your query, YES for the ESE (Engineering Service Examination) exam any student who is a graduate of engineering can apply for this exam. If you had graduated from Btech course, then you are eligible for the exam.

              Hope this helps you!!

              Hello Aspirant,

              Eligibility criteria for IES or ESE are

              Candidate must have received a degree in Engineering from a university integrated by an act of the central or state legislature in India or other educational institutions established by an act of Parliament or acknowledged as deemed to be universities under section-3 of the university grants commission act.

              As NMIMS Mumbai is a private deemed university, you are eligible for this exam.

              It came to be a deemed university organized under Section 3 of the UGC Act, 1956.

              I hope it helps.


              Hello,

              No there is no information regarding the extension of ESE 2022 application date so no officials will not extend the dates for registration. The Union Public Service Commission (UPSC) closed the ESE application form 2022 in online mode on the official website upsc.gov.in. The UPSC ESE withdrawal window will be open from October 20, 2021 to October 26, 2021. The UPSC IES form 2022 has been released on September 22, 2021.The basic educational qualification required to be eligible for UPSC ESE exam is graduation in engineering.

              Hello candidate,

              Here are a few criteria for a candidate while he is appearing for the union public services examination-

              1. Regarding the age criteria for a General candidate the minimum age limit for appearing in this examination is 21 years where as the upper age limit for an eligible Candidate is 35 years.

              2. Secondly, the candidate must have a graduation degree from any recognised college irrespective of which stream in order to appear for the examinations.

              3. A General candidate has a lifetime opportunity of of a total of 6 attempts to appear in these examinations.

              Hope you found it helpful!!

              For any further queries feel free to post it here!!


              Hello,

              IES or ESE is engineering service exam, hence as per the norms  laid out by UPSC, candidates need to pass degree or diploma in engineering from a recognized university, other than this some of the other fulfilling eligibility criteria are as follows;

              Passed Graduate Membership Examination of the Institution of Electronics and Telecommunication Engineers (India)

              Passed Associate Membership exam which is parts II and III/Sections A and B of the Aeronautical Society of India

              Passed Graduate Membership test of the Institution of Electronics and Radio Engineers, London held after November 1959.

              For applying in Indian Radio Regulatory Service or Indian Naval Armament Service  a postgraduate degree or equivalent in Wireless Communication Electronics/ Radio Physics/Radio Engineering as a special subject, Master’s Degree in Science with Physics and Radio Communication /Electronics /Telecommunication as a special subject is also applicable for India Radio Regulatory Service.

              For more details regarding this, visit our page at https://competition.careers360.com/articles/upsc-ese-eligibility-criteria

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