Defence & Government entrance exam
NDA & NA
National Defence Academy & Naval Academy ExaminationEntry into the Army, Navy and Air Force wings of the National Defence Academy and the Indian Naval Academy.
- Conducted by
- Union Public Service Commission (UPSC)
- Level
- Undergraduate
- Frequency
- Twice a year
- Typically held
- April and September
- Mode
- Written exam followed by SSB interview
- Duration
- Two papers of 2.5 hours each, followed by SSB
Who it's for
Students in or after Class 12 who are committed to a career as an officer in the armed forces.
- NDA (Army, Navy, Air Force wings)
- Indian Naval Academy (10+2 cadet entry)
Typical eligibility
- Unmarried candidates within the notified age band (roughly 16.5 to 19.5 years)
- Class 12 pass or appearing; Physics and Mathematics required for Air Force, Navy and Naval Academy
- Physical and medical standards as notified
Exam pattern
Duration
Two papers of 2.5 hours each, followed by SSB
Marking
Negative marking in the written papers
| Section | Details |
|---|---|
| Mathematics | Class 11–12 level |
| General Ability Test | English and general knowledge |
| SSB Interview | Multi-day psychological, group and personal assessment |
Patterns are revised from time to time. Confirm the current pattern in the official information bulletin.
Subjects
- Mathematics
- English
- General Knowledge
How to prepare
- 01
Prepare for SSB alongside the written exam — it decides final merit
- 02
Physical fitness routine from day one
- 03
Daily current affairs and English practice
Typical preparation timeline
3–6 months
Written prep
Maths, GAT, previous papers
After written result
SSB prep
Psych tests, GTO tasks, interview
NDA & NA guidance
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