After completing Class 12, young candidates can enter the Indian Army, Navy, and Air Force as officers by passing the National Defence Academy (NDA) exam. The NDA exam, which is administered by UPSC twice a year, requires excellent academic preparation, time management skills, and physical condition.
The question “What subjects should I study to crack the NDA exam?” is one of the most frequent ones posed by NDA candidates.
This comprehensive blog post from NCA Academy, the best defense coaching school in Mohali, India, breaks down the NDA syllabus by subject, offers professional study advice, and addresses all of your commonly asked issues.
Overview of NDA Exam Pattern
The NDA Written Examination consists of two papers:
Paper | Subject | Duration | Maximum Marks |
Paper I | Mathematics | 2.5 Hours | 300 Marks |
Paper II | General Ability Test (GAT) | 2.5 Hours | 600 Marks |
Total | — | 5 Hours | 900 Marks |
The written exam is followed by the SSB Interview (900 marks).
Which subjects should I research for my NDA?
Mathematics Paper I (300 Marks)
Level: CBSE/NCERT-based Class 11 and 12 standards
Subjects to Research:
Algebra
Linear equations, complex numbers, and quadratic equations
Permutations, combinations, sets, relations, and functions
Determinants and Matrices
Fundamental operations, matrix types, and determinant qualities
Trigonometry
Inverse trigonometry, heights and distances, identities, and ratios
2D and 3D Analytical Geometry
Conic sections, lines, circles, and the distance and section formula
Equation of planes, direction cosines, and direction ratios
Calculus of Differentiation
Derivatives, limits, continuity, and their application
Differential Equations and Integral Calculus
Defined integrals and integration as the opposite of differentiation
Differential equations of the first order
Algebra with Vectors
Scalar, vector, and addition products
Probability and Statistics
Standard deviation, mean, median, and mode
Rules and applications of probability
General Ability Test (GAT) Paper II (600 Marks) separated into two parts:
English (200 marks) in Section A
Usage and Grammar
Identifying mistakes, enhancing sentences, and filling in the blanks
Words and phrases
Idioms and phrases, synonyms, antonyms, and one-word replacement
Understanding What You Read
Questions based on passages
Sentence Structure and Finish
rational sentence structure and paraphrases
General Knowledge (GK) (400 Marks) Section B
Science, history, geography, politics, economics, and current events are all mixed together in this area.
Physics: heat, light, electricity, magnetism, motion, work, and energy
Sound waves, units, measures, and modern physics
Atomic structure, chemical bonding, matter, acids, and bases
Fundamentals of organic and inorganic chemistry
Science in General
Systems of the human body, diet, illnesses, and biotechnology
Ecosystem and surroundings
The Freedom Movement and History
History: Ancient, Medieval, and Modern
Leaders of the Indian National Movement, Rebellions, and Freedom
Geographical
Latitudes and longitudes, soil, climate, and earth structure
Mountains, rivers, farms, businesses, and natural resources
Current Events
Events at the national and international levels
Sports, science and technology, prizes, and defense updates
Indian Economic and Polite
Indian Constitution, governance, and fundamental rights
Budget, banking fundamentals, economic terminology, and rural development
How Should Each Subject Be Approached?
Regarding mathematics:
Concentrate on NCERT Classes 11 and 12.
Practice more than fifty multiple-choice questions for each topic.
To increase your speed, schedule your practice sessions.
Regarding English:
Make reading newspapers (such as The Hindu) a habit.
Keep a vocabulary journal every day.
Use tests to practice grammar rules.
Regarding GAT:
Create brief notes for science, geography, and history.
For visual memory, make use of diagrams and maps.
Review current events once a week.
NDA 2 2025 Preparation Strategy by Subject
Subject | Daily Study Time | Weekly Practice |
Mathematics | 2–3 hours | 3 full-length topic tests |
English | 1–1.5 hours | 3 reading comprehension sets |
GK (Science + GS) | 2 hours | 100+ MCQs weekly |
Current Affairs | 30 minutes | Sunday revision + quizzes |
In conclusion, cover every topic and maintain consistency.
The NDA exam requires knowledge of multiple subjects, not just one.
You have to:
- Every week, concentrate on GK, English, and mathematics.
- Learn solid fundamentals from NCERTs.
- Complete practice exams to monitor your progress.
- Keep abreast of current affairs.
- To help you pass the NDA on your first try, NCA Academy’s knowledgeable instructors and SSB trainers guide you through subject-specific preparation, administer tests every week, and provide tailored feedback.
