NDA Defence Exam Official Guide

NDA Defence Exam Overview

NDA Defence Exam Counselling & Updates

PS

Updated on 04 Sept 2026 16:31 IST

By Pratishtha Sharma, Editor

The National Defence Academy (NDA) examination is conducted by the Union Public Service Commission (UPSC) for admission to the Army, Navy and Air Force wings of the National Defence Academy and Indian Naval Academy. The exam includes a written test followed by the Services Selection Board (SSB) interview for candidates who qualify. It is a major opportunity for students who want to begin a career as an officer in the Indian Armed Forces.

Particular Details
Exam Name National Defence Academy and Naval Academy Examination (NDA & NA)
Conducting Body Union Public Service Commission (UPSC)
Exam Level National Level Defence Entrance Exam
Purpose Admission to NDA and Indian Naval Academy
Services Army, Navy and Air Force Wings of NDA; Naval Academy 10+2 Cadet Entry Scheme
Exam Frequency Twice a year
Application Mode Online
Exam Mode Offline (Pen and Paper Based Test)
Question Type Objective Type / Multiple Choice Questions
Written Exam Papers Mathematics and General Ability Test (GAT)
Mathematics 120 Questions, 300 Marks
General Ability Test 150 Questions, 600 Marks
Total Written Exam Marks 900 Marks
Exam Duration 2½ hours for each paper
Negative Marking Yes
Eligibility Passed or appearing in Class 12/equivalent examination
Army Wing Class 12 pass/appearing from any stream
Navy & Air Force Wings Class 12 pass/appearing with Physics, Chemistry and Mathematics
Age Limit Generally 16½–19½ years; exact date-of-birth range is specified in each notification
Marital Status Unmarried candidates
Selection Process Written Examination → SSB Interview/Tests → Medical Examination → Final Merit
Training National Defence Academy, Khadakwasla, followed by service-specific training
Official Website upsc.gov.in
Admission & Guidance

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NDA Exam 2026: Overview, Eligibility, Exam Pattern and Selection Process

The National Defence Academy (NDA) exam is a national-level defence entrance examination conducted by the Union Public Service Commission (UPSC). It provides an opportunity for eligible candidates to join the Army, Navy and Air Force wings of the National Defence Academy (NDA) and the Indian Naval Academy (INA).

Candidates who qualify in the written examination are shortlisted for the Services Selection Board (SSB) interview. Final selection is based on the candidate's performance in the selection process, medical fitness and other requirements prescribed by the authorities.

NDA Exam 2026 Highlights

The NDA selection process generally includes a written examination and an SSB interview. The written test checks candidates' knowledge of Mathematics and General Ability, while the SSB interview assesses qualities such as leadership, communication, decision-making and suitability for a career in the Armed Forces.

The examination is conducted in offline mode and includes objective-type questions. Candidates should carefully check the official notification for the latest eligibility conditions, important dates, application instructions and selection rules.

NDA Eligibility Criteria

Candidates must meet the nationality, age, educational and physical fitness requirements mentioned in the official UPSC notification.

For the Army wing, candidates generally need to have passed or be appearing in Class 12 or an equivalent examination. For the Air Force and Naval wings, candidates generally require Class 12 with Physics, Chemistry and Mathematics.

NDA Exam Pattern

The NDA written examination generally consists of two papers:

  • Mathematics
  • General Ability Test (GAT)

The Mathematics paper tests topics related to the Class 11 and Class 12 level, while the GAT includes English and General Knowledge-related subjects.

The exact number of questions, marks, duration and negative marking details should be checked in the official notification for the relevant examination session.

NDA Selection Process

The NDA selection process generally follows these stages:

  1. Written Examination
  2. SSB Interview
  3. Medical Examination
  4. Final Merit List

Candidates must qualify at every required stage to move forward in the selection process.

NDA Application Process

Candidates can apply for the NDA exam through the official UPSC website when the application window is open. They need to complete the online registration, fill in the required details, upload the necessary documents and submit the application according to the instructions given in the official notification.

NDA Career Opportunities

Candidates selected through the NDA examination receive training for a career as an officer in the Indian Armed Forces. After completing the required training, eligible candidates can be commissioned into the Army, Navy or Air Force according to the service and selection requirements.

NDA Preparation Tips

Candidates should build a strong foundation in Mathematics and General Knowledge. Regular practice of previous question papers and mock tests can help improve speed and accuracy.

A planned preparation schedule, regular revision and awareness of current affairs can also help candidates prepare for the written examination and SSB selection process.

Official Website

UPSC Official Website

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QA

Commonly asked questions

Q: 1. What is the NDA exam?

The NDA exam is a national-level entrance examination conducted by UPSC for admission to the National Defence Academy and Indian Naval Academy.

Q: 2. Who conducts the NDA exam?

The Union Public Service Commission (UPSC) conducts the NDA examination.

Q: 3. What are the main stages of NDA selection?

The selection process generally includes a written examination, SSB interview, medical examination and final merit list.

Q: 4. What is the educational qualification for the NDA exam?

Candidates generally need to have passed or be appearing in Class 12 or an equivalent examination. Additional subject requirements may apply to the Navy and Air Force wings.

 

Q: 5. How can I apply for the NDA exam?

You can apply online through the official UPSC website when the application process is active.

Pratishtha Sharma

Editor

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