UPSC NDA Exam Preparation

Your complete guide to cracking the National Defence Academy (NDA & NA) written exam and SSB interview. Explore subject-wise syllabus, exam patterns, age eligibility, previous year question papers, and free timed practice tests.

900 Marks Written

NDA Exam Pattern

Paper 1: Mathematics (300 Marks, 120 MCQs). Paper 2: General Ability Test (600 Marks, 150 MCQs: English 200M + General Knowledge 400M).

2.5 Hours / Paper-0.83 / -1.33 PenaltyTotal 900 Marks
Age 16.5–19.5

NDA Eligibility

10+2 passed or appearing students. Unmarried male and female candidates. Physics & Mathematics compulsory for Air Force and Naval wings.

10+2 Appearing EligibleArmy (Any Stream)AF & Navy (PCM)
900 Marks SSB

SSB Interview Practice

5-day interview test assessing Officer Like Qualities. Practice Stage 1 Screening (OIR & PPDT) and Stage 2 Psychology (TAT, WAT, SRT) with interactive tools.

OIR TestPPDT 30s15 OLQs
Practice SSB Online

What Is the National Defence Academy?

The National Defence Academy (NDA) is the joint defence service training institute of the Indian Armed Forces, where cadets of the Army, Navy, and Air Force train together before going on to their respective service academies.

WingEducational RequirementSubsequent AcademyTraining Duration
Indian Army10+2 from any recognized board (Any stream)IMA Dehradun (1 Year)3 Years at NDA + 1 Year IMA
Indian Air Force10+2 with Physics and MathematicsAFA Dundigal, Hyderabad (1.5 Years)3 Years at NDA + 1.5 Years AFA
Indian Navy10+2 with Physics and MathematicsINA Ezhimala, Kerala (1 Year)3 Years at NDA + 1 Year INA
Naval Academy (10+2 Cadet Entry)10+2 with Physics and MathematicsINA Ezhimala (4 Years B.Tech)4 Years INA Ezhimala

NDA Subject Syllabus & Weightage

The written exam consists of two papers: Mathematics and the General Ability Test (GAT).

Paper & SubjectQuestionsMarksCore Topics Covered
Paper 1: Mathematics120300Algebra, Matrices & Determinants, Trigonometry, Analytical Geometry (2D & 3D), Differential Calculus, Integral Calculus, Vector Algebra, Statistics & Probability.
Paper 2 (Part A): English50200Spotting Errors, Sentence Improvement, Synonyms & Antonyms, Idioms & Phrases, Ordering of Words, Reading Comprehension.
Paper 2 (Part B): General Knowledge100400Physics (100M), Chemistry (60M), General Science (40M), History & Freedom Movement (80M), Geography (80M), Current Events (40M).

How to Prepare for the NDA Exam

A balanced study plan combining regular mathematical problem-solving with daily current affairs and grammar practice ensures you clear the cutoff comfortably.

1. Mathematics Mastery

Master Class 11 and 12 NCERT Mathematics. Focus on high-weightage topics like Trigonometry, Matrices, Calculus, and Probability. Practice solving 30–40 MCQs daily under timed conditions.

2. English Vocabulary & Grammar

English carries 200 marks in GAT. Revise fundamental grammar rules (subject-verb agreement, prepositions, tenses) and build a daily vocabulary list of synonyms and antonyms.

3. General Science & Current Affairs

Science accounts for 200 marks in GAT. Revise Class 9 and 10 Physics and Chemistry thoroughly. Track national events, defence exercises, and international summits for the last 6 months.

Start Your NDA Preparation Today

Attempt full-length timed mock tests, solve previous year question papers with answer keys, and calculate your remaining attempts with our free tools.

Frequently Asked Questions (NDA)