Hello,

NDA is national defense academy.

The union  public services commission prescribes the NDA criteria.

According to it you should be an unmarried male with undergraduate i.e  class 12 from any board or its equivalent examination .

Candidate must not be born earlier than January 2 ,2002 and later than January 1 ,2005 and thus for NDA 1.

For NDA 2 a candidate must not be earlier than July 2,2001 and later than July 1,2004.

They will accept the birth day registered in your 10th marks sheet.

And for air force wing you must have passed with class 12 with subject including Physics and mathematics.

You should be aged between 16.5 to 19.5

Hope this helps!!

If you have more doubts please refer this link .

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