Hello Praveen,

You are eligible for NDA 1 and NDA 2 in 2022 in age criteria, Candidates must have completed 12 th standard or equivalent exam from a recognised Board for Indian Army and Physics and Mathematics is compulsory subjects for Indian Air Force and Naval. Candidates between 16 years to 19 years are eligible for NDA. But you'll be eligible for NDA - I and NDA - II in 2022.

For NDA 2 - 2022, candidates must have born not earlier than January 2, 2004, and not later than January 1, 2007.

For NDA 1, candidates should be born not earlier than July 2, 2003 and not later than July 1, 2006.

For more information go through below mentioned link.

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

Hope this information was helpful to you.

Best of Luck!!