NDA 2026 — National Defence Academy Exam Preparation
Complete NDA 2026 preparation guide with exam pattern, syllabus, physical fitness requirements, best books, and defence career roadmap.
The NDA (National Defence Academy) examination conducted by UPSC is the gateway to a prestigious career in the Indian Armed Forces — Army, Navy, and Air Force. This guide from ExamHub covers everything you need to prepare for NDA 2026.
NDA 2026 Exam Pattern
Written Examination
| Paper | Subject | Marks | Duration |
|---|---|---|---|
| Paper I | Mathematics | 300 | 2.5 hours |
| Paper II | General Ability Test (GAT) | 600 | 2.5 hours |
| Total | 900 | 5 hours |
GAT Section Breakdown
| Section | Marks |
|---|---|
| English | 200 |
| General Knowledge | 400 |
SSB Interview (After Written)
| Stage | Components |
|---|---|
| Stage I | Officer Intelligence Rating (OIR) + Picture Perception & Description Test (PP&DT) |
| Stage II | Psychology Tests + Group Tasks + Personal Interview |
| Total Duration | 5 days |
| Maximum Marks | 900 |
Eligibility
| Criteria | Requirement |
|---|---|
| Age | 16.5 to 19.5 years |
| Education | 12th Pass (or appearing) |
| Gender | Male and Female (since 2022) |
| Marital Status | Unmarried |
| Physical Standards | Height, weight, eyesight requirements vary by service |
Subject-wise Preparation
Mathematics (300 Marks)
Mathematics is the most important paper and often the deciding factor:
- Algebra — Sets, relations, complex numbers, quadratic equations, binomial theorem
- Matrices & Determinants — Operations, properties, Cramer's rule
- Trigonometry — Identities, inverse functions, properties of triangles
- Calculus — Differentiation, integration, differential equations
- Coordinate Geometry — Straight lines, circles, conics
- Vectors — Dot product, cross product, applications
- Statistics & Probability — Mean, median, mode, probability theorems
Use CalcHub for verification during practice sessions.
English (200 Marks)
- Grammar — Tenses, articles, prepositions, voice, narration
- Vocabulary — Synonyms, antonyms, one-word substitutions, idioms
- Comprehension — Passage-based questions
- Composition — Sentence ordering, error spotting
General Knowledge (400 Marks)
- Physics — Mechanics, heat, optics, electricity (NCERT 11-12)
- Chemistry — Physical, organic, inorganic chemistry (NCERT 11-12)
- General Science — Biology, environment, health
- History — Indian freedom struggle, world wars, important events
- Geography — Physical, Indian, and world geography
- Current Events — National and international developments
Best Books
| Subject | Book |
|---|---|
| Mathematics | NCERT Class 11-12 + R.D. Sharma |
| English | Wren & Martin (Grammar), Word Power Made Easy |
| Physics | NCERT Class 11-12 Physics |
| Chemistry | NCERT Class 11-12 Chemistry |
| History | NCERT Class 9-12 History |
| Geography | NCERT Class 6-12 Geography |
| Practice | Pathfinder for NDA (Arihant) |
6-Month Preparation Plan
| Month | Focus |
|---|---|
| 1 | NCERTs for all subjects + build English vocabulary |
| 2 | Math (Algebra, Trigonometry) + Science (Physics, Chemistry) |
| 3 | Math (Calculus, Coordinate Geometry) + History, Geography |
| 4 | Practice papers + current affairs compilation |
| 5 | Full mock tests (weekly) + weak area improvement |
| 6 | Revision + daily mocks + SSB preparation basics |
Physical Fitness Preparation
Start physical fitness training alongside academic preparation:
- Running — Build up to 5 km in under 25 minutes
- Push-ups — Target 30+ without stopping
- Sit-ups — Target 40+ without stopping
- Pull-ups — Target 8-10
- Group activities — Play team sports for group testing preparation
NDA vs CDS
| Factor | NDA | CDS |
|---|---|---|
| Eligibility | 12th Pass (16.5-19.5 years) | Graduation (20-25 years) |
| Training Duration | 3 years at NDA + 1 year at Academy | 1-1.5 years at respective academy |
| Degree | Graduate after NDA training | Must be graduate before joining |
| Exam Pattern | Math + GAT | English + GK + Math (varies by entry) |
Free Resources
- NCERT textbooks — ncert.nic.in (absolutely essential)
- UPSC official website — upsc.gov.in for notifications and syllabus
- YouTube channels — SSB interview preparation channels
- Previous year papers — Download from MyPDF
Frequently Asked Questions
Can I crack NDA without coaching?
Absolutely. The NDA syllabus is primarily based on NCERT Class 11-12. With NCERTs, a good problem book, previous year papers, and disciplined self-study, you can crack NDA. Read our Self-Study Guide.
How many attempts can I take for NDA?
You can appear for NDA until you exceed the upper age limit of 19.5 years. Since NDA is conducted twice a year, most candidates get 4-6 attempts depending on when they start.
What happens after clearing the NDA written exam?
After clearing the written exam, you attend a 5-day SSB (Services Selection Board) interview that tests your personality, leadership, and officer-like qualities. Only candidates who clear both written and SSB are recommended for training at NDA.