National Defence Academy & Naval Academy Examination (UPSC NDA)
Quick facts
| Conducted by | Union Public Service Commission (UPSC) |
|---|---|
| Exam level | National |
| How often | Twice a year (NDA I and NDA II) |
| Mode | Offline written test + SSB interview |
| Qualification | 12th pass (Physics & Maths needed for Air Force and Navy wings) |
| Age limit | 16.5 – 19.5 years |
| Age relaxation | none |
| Official website | upsc.gov.in |
Only unmarried candidates. Both men and women can apply. Exact date-of-birth range is given in each notification.
Overview
The NDA exam is the entry route to become an officer in the Army, Navy and Air Force straight after Class 12. Selected cadets train for three years at the National Defence Academy, Khadakwasla, and earn a degree, followed by a year of training at their service academy.
Eligibility
- Education: 12th pass or appearing. For the Army wing any stream; for the Air Force and Navy wings, 12th with Physics and Mathematics.
- Age: roughly 16½ to 19½ years – the exact date-of-birth window is printed in each notification. No category relaxation.
- Marital status: unmarried.
- Gender: both men and women are eligible.
- Physical and medical standards as laid down by the services.
Exam pattern & syllabus
| Stage | Paper | Marks |
|---|---|---|
| Written | Mathematics (2½ hours) | 300 |
| Written | General Ability Test – English + General Knowledge (2½ hours) | 600 |
| SSB interview | 5-day psychology, group and interview tests | 900 |
Written papers have negative marking. Those who clear the written cut-off are called for the SSB interview and a medical exam.
How to prepare
- Class 11–12 Mathematics is the backbone; practise speed and accuracy.
- For GAT, read NCERT science, history, geography and polity, and follow current affairs.
- Improve English grammar and vocabulary steadily.
- Start fitness training early: running, push-ups and swimming.
- Learn about the SSB process (OIR, PPDT, TAT, WAT, SRT, GTO tasks, interview) and practise group discussions.
Latest UPSC NDA updates
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Frequently asked questions
Can girls apply for NDA?
Yes, women have been eligible for NDA since 2021, with the same exam and separate vacancies.
Can I apply while in Class 12?
Yes, students appearing in Class 12 can apply, but must submit proof of passing by the date given in the notification.
Please note: eligibility, age limits and exam pattern change from year to year. This page gives general guidance only; the official notification for each year is final.