The recruitment of candidates to the different wings of Indian defense forces (Army, Navy, and Airforce) is conducted through NDA exam. The NDA exam is conducted twice in the year in the month of April (NDA 1) and in September (NDA 2). The Union Public Service Commission (UPSC) is the conducting body of the National Defense Academy and Naval Academy examinations.
The candidates selected in NDA examination will undergo cadet training in the Indian Army, Airforce, and Navy. On the other hand, candidates selected in Indian Naval Academy will undergo 4-year b.tech degree courses after the successful completion of the course the candidates will join technical or executive branches.