The road to the National Defence Academy (NDA) is one of the most rigorous selection processes in the country. It tests academics, physical fitness and personality in equal measure. At Tagore Public School, Rewari, we prepare NDA aspirants for every stage of the journey, and this guide explains what that journey involves.

What Is the NDA?

The National Defence Academy in Khadakwasla, Pune, is the joint training academy of the Indian Army, Navy and Air Force. Cadets complete their training and a degree at the academy before going on to their respective service academies and being commissioned as officers. For a young person who dreams of wearing the uniform, it is one of the most respected paths available straight after school.

Eligibility at a Glance

  • Age: candidates must fall within the age window notified by UPSC, generally about 16.5 to 19.5 years at the start of the course.
  • Education: Class XII pass or appearing. For the Army wing, any stream is accepted. For the Air Force and Navy wings, Physics, Chemistry and Mathematics in Class XII are required.
  • Candidates: unmarried male and female candidates can apply.
  • Physical and medical standards: candidates must meet the standards laid down by the defence services.

Always check the latest UPSC notification for exact dates and conditions, as these can change.

Stage 1: The UPSC Written Examination

The NDA exam is conducted by the Union Public Service Commission twice a year. It has two papers:

PaperSubjectsMarks
Paper IMathematics300
Paper IIGeneral Ability Test (English and General Knowledge)600

The General Ability Test covers English along with Physics, Chemistry, General Science, History, Geography and current affairs. There is negative marking, so careless guessing can cost valuable marks. Strong fundamentals built over Classes IX to XII carry candidates through this stage far better than last-minute cramming.

Stage 2: The SSB Interview

Candidates who clear the written exam are called for a five-day Services Selection Board (SSB) interview, which carries 900 marks. It is designed to assess the Officer Like Qualities of a candidate, not just intelligence.

Screening

On the first day, candidates take an Officer Intelligence Rating test and the Picture Perception and Description Test (PPDT). Only those who clear screening continue.

Psychological tests

These include the Thematic Apperception Test, Word Association Test, Situation Reaction Test and a Self Description. They reveal how a candidate thinks and reacts.

Group Testing

Group discussions, group planning, outdoor obstacle tasks and a lecturette test leadership, teamwork and initiative under pressure.

Personal interview and conference

An interviewing officer explores the candidate's background, interests and motivation. On the final day, the board meets to decide the result.

Physical Fitness

Physical fitness is non-negotiable. Aspirants should build endurance, strength and agility well before their SSB dates. A sensible routine includes regular running, push-ups, sit-ups, pull-ups and outdoor sport, built up gradually over months rather than weeks.

Medical Standards

Candidates must meet the medical standards of the defence services, including requirements for eyesight, height and weight, and general health. Aspirants should be aware of these early and take care of their health throughout school.

A Preparation Timeline for School Students

  • Classes IX–X: strengthen Mathematics and English, read newspapers daily and build a fitness routine.
  • Class XI: start NDA-level Mathematics and General Ability practice alongside the board syllabus.
  • Class XII: regular mock tests, current affairs revision and SSB orientation.

Common Mistakes NDA Aspirants Make

  • Preparing only for the written exam and ignoring the SSB until the last moment.
  • Neglecting English and current affairs, which carry significant marks in the General Ability Test.
  • Starting physical training too late.
  • Trying to give “ideal” answers in psychological tests instead of honest ones.

How Tagore Public School Prepares Candidates

Our NDA programme combines academic coaching for the written examination with physical training and personality development sessions that reflect the SSB environment. The disciplined daily routine at Tagore, especially in the hostel, naturally builds the habits that defence selection boards look for. Learn more on our NDA page and our Sainik School preparation programme for younger students.

Frequently Asked Questions

Can a Commerce or Arts student apply for NDA?

Yes, for the Army wing. For the Air Force and Navy wings, Physics, Chemistry and Mathematics in Class XII are required.

How many times is the NDA exam held in a year?

UPSC conducts the NDA examination twice a year. Check the UPSC website for current dates.

Can girls apply for NDA?

Yes. Female candidates are eligible to apply for the NDA examination.

When should NDA preparation begin?

Ideally from Class IX or X, by building strong Mathematics and English, reading the newspaper daily and developing a fitness routine.