Hey Mayank! NDA or National Defence Academy Exam is a national level exam organized by UPSC (Union Public Service Commission) to recruit candidates in Army, Navy and Air Force. It is a two-tier examination, wherein, candidates qualifying the written test will also have to clear the SSB interview round.  

Hey.

The minimum acceptable height is 152 cm for Army, Navy and Naval Academy while 162.5 cm for Air Force. For Gorkhas and individuals belonging to hills of North-Eastern, the minimum acceptable heights will be 5 cm less

You can use the link which is given below for a complete

Hello Akshat Saxena.

It usually not happens in any case but ok if it happened I suggest you to go to ssb centre on the specified date and give your ssb. After reaching that place you can simply inform the officials about it . They are having list with them

You get the result after 2-2.5 months.
SSB call if you are selected.
Then after about a month you head to the SSB center accoridng to the call.

Now coming to your question about how hard is this Interview process,

Day1 : 
OIR Test (easy it must be) : You

Hello, 

Yes, If you are between 16.5 to 19.5 years of age and have completed or appearing in class 12 exam are eligibile to appear of NDA Exam. Hence, you are eligibile to appear for NDA. Know detailed NDA Eligiblity Criteria 2019 Here.

Thank you..!!

Hello there! 

Greetings! 

Candidates have to upload only the scanned images of passport size photograph and signature. You don't need anything else as you don't need to upload any other document. You just need fill informations like marks you scored in your class 12th etc.

So before filling the application

Dear aspirant, for Nda the age limit is 16.5 years to 19.5 years and the physical eligibility varies according to age, so you can check the eligibilty according to your age in details from the link below:

https://competition.careers360.com/articles/nda-eligibility-criteria

Hope it helps.

All the best:)

Dear aspirant, for preperation of any exam practice is the key.Make a timetable topic wise and before that you should go through the syllabus carefully and mark your weak point, for better preperation of english start reading english newspaper on daily basis that will help you to stay updated as

Hello,

To be eligibile to appear for NDA exam candidates must be between 16.5 to 19.5 years of age and must have completed class 12. if you are between the prescribed age group you can apply for NDA. Know more about NDA Eligibility Criteria 2019 here.

Thank you..!!

Hello Abir, 

This depends on the cadets ,in which field one would get to serve the nation. 

Actually youngsters are not given desk jobs in NDA . Mainly high ranked officers and the one who has served for long time gets desk job. 

Hope this will help you  !