Hello Aspirant,

National Defence Academy (NDA) and Naval Academy (NA) examination is conducted by UPSC for the admission to Army, Navy and Air Force wings.

As per the eligibility of NDA, You should be passed 10+2 for the Army Wing or the National Defence Academy and For Air Force and Naval Wings of National Defence Academy, You should be passed with Mathematics and Physics.

Candidates appearing/passing class 11 exams are not eligible for the exam.

You can also refer the below given link for the further information.

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

Good Luck!