Do you intend to enlist in the Indian Defense Forces? Are you eager to learn about NDA eligibility? After passing the 12th exam, individuals who want to join the defence forces should aim to take the National Defence Academy (NDA) exam. Both male and female applicants may register for the NDA exam, which is held twice a year by the Union Public Service Commission (UPSC). For admission to the NDA's Army, Navy, and Airforce wings as well as the Indian Naval Academy Course, candidates must pass the NDA exam (INAC). The qualifications and qualifying requirements for the NDA are covered in this article.