NDA stands for National Defence Service which is conducted by UPSC twice in a year for those who wants to join Indian Navy.

Eligibility criteria for NDA exam :-

1] The candidate must be an Indian.

2] The age limit of the candidate must be between 16 to 19 years.

3] The candidate must be unmarried male.

4] The candidate must be passed his 12th class from any recognized board.

5] The candidate must be physically as well as mentally fit.

For Indian Army :- The candidate must be passed his 12th class in any stream from any recognized board.

For Indian Air Force and Indian Navy :- The candidate must be passed his 12th class with Mathematics and Physics as a compulsory subject from any recognized board.

Selection process for NDA exam consists of three stages :-

1] Written exam

2] SSB interview

3] Medical test

Written exam consists of two papers :-

1] Mathematics :- 300 marks

2] General Ability :- 600 marks

Total marks consists of 900 marks.

Physical Requirements:

Minimum Height-162.5 cm
Sitting Height- Minimum 81.5 cm,Maximum-96.0 cm
Leg Length – Minimum-99.0 cm,Maximum-120.0 cm
Thigh Length-Maximum-64.0

Please find the below image for other physical requirements to join India Navy:

Height & Weight Standard for Men and Women