What is the selection process for the National Defence Academy
The National Defence Academy (NDA) selection process evaluates candidates through a written exam, SSB interview, and medical tests. It aims to identify individuals with the potential to become future military officers.

STAGE 1: NDA Written Exam Selection Process (900 Marks)
The Written Exam Includes:
Paper |
Subject |
Marks |
Paper I |
Mathematics |
300 |
Paper II |
General Ability Test (GAT) |
600 |
Total |
900 |
Selection Criteria for Written Exam
- Cut-off is decided by UPSC every cycle.
- Cut-off usually ranges from 340 to 370 out of 900 (varies yearly).
- Minimum 25% in each paper is required to qualify, even if total cut-off is met.
Example:
If NDA I cut-off is 350, but you score:
- Maths = 200/300
- GAT = 140/600 (Below 25%) You will be disqualified.
Only those who score above the cut-off AND 25% in each paper are called for SSB.
STAGE 2: SSB Interview Selection Process (900 Marks)
Step-by-Step Selection in SSB Interview:
Stage I: Screening (Day 1) – Elimination Round
Test |
Purpose |
OIR (Officer Intelligence Rating) |
Verbal & non-verbal reasoning |
PPDT (Picture Perception & Discussion Test) |
Story writing + Group Discussion |
How Selection Happens in Stage I:
- Based on combined performance in OIR and PPDT
- Candidates are either 'Screened In' or 'Screened Out'
- Around 60–70% are eliminated on Day 1
If 'Screened In' → You stay for 4 more days for Stage II
Stage II: Full Assessment (Day 2–5)
Assessor |
Test Types |
Max Marks |
Psychologist |
TAT, WAT, SRT, SDT |
300 |
Interviewing Officer (IO) |
Personal Interview |
300 |
GTO (Group Testing Officer) |
Group Tasks, Leadership, Physical Tasks |
300 |
What They Look For:
- Officer-Like Qualities (OLQs): Leadership, initiative, communication, reasoning, confidence, teamwork, etc.
- Your personality is judged holistically, not by marks in a test
Final Day – Conference & Recommendation
- All three assessors give marks out of 300
- You need a balanced performance across all three assessors
- If they are uncertain, you may be asked extra questions in the conference
- After discussion, candidates are either:
- Recommended
- Not Recommended
Final Merit Selection After SSB
Component |
Marks |
NDA Written |
900 |
SSB Interview |
900 |
Total |
1800 |
- Only medically fit + recommended candidates are considered for final merit list.
- Top ranks get their preferred service (Army, Navy, Air Force).
Summary: How You’re Selected
Stage |
Selection Based On |
Rejection Happens If... |
Written |
Cut-off + 25% in each paper |
You fail in any paper or total score below cut-off |
SSB Day 1 |
OIR + PPDT screening |
Poor reasoning or inability to perform in GD |
SSB Final |
Holistic OLQ evaluation by 3 assessors |
You lack OLQs or fail to perform across tests |