NDA Syllabus 2021 | Check Syllabus, and Exam Pattern

NDA Syllabus

NDA Syllabus: The students must check the NDA Syllabus and Exam Pattern to know the subjects and important topics that will be covered in the NDA 1 and NDA 2 Exam so as to prepare accordingly. It will help in enhancing the students’ probability to score high.

Also, before appearing in the NDA Exam 2021, you must know the complete details of the Exam Pattern of NDA so as to prepare yourself efficiently and appear with the confidence to get good scores.

Scroll down to get further details on NDA Syllabus and Exam Pattern 2021.

NDA Syllabus 2021

NDA exam is conducted by UPSC (Union Public Service Commission) twice a year. It is a direct gateway for aspirants dreaming to join the defense forces like the Navy, Army, and Airforce. NDA entrance examination comprises 2 stages.

There is a written exam in the first stage and an SSB Interview in the second stage of the NDA Exam Selection Process. In order to crack the NDA 2021 examination, it is essential to have a clear idea about NDA Syllabus and Exam pattern 2021.

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NDA 2021 Exam Pattern

NDA Examination is an offline mode of exam consisting of objective-type questions. It is a two-and-a-half-hour exam each for Code 1 (mathematics) and Code 2 (general ability test). The medium of the exam is set in two languages: English and Hindi. For each wrong answer, 0.33% marks will be deducted.

Candidates taking up the NDA exam are suggested to go through the Exam Pattern for preparation. The Exam Pattern for NDA 2021 is listed below:

Subjects Maximum Marks Duration
Mathematics 300 2 ½ hours
GAT (Section 1- English)


GAT (Section 2- General Knowledge)




2 ½ hours
Total Marks 900  
SSB Interview 900  
Grand Total 1800  

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NDA Study Packages

NDA Study Materials

NDA Sample Papers

NDA Previous Year Papers

NDA Mock Test Series

NDA GAT Exam Pattern

Candidates can check the exam pattern of GAT from the table below:

Sections Maximum marks

Part A – English


Part B – General Knowledge






General Science


History, Freedom Movement, etc.




Current Events




NDA SSB Exam Pattern

There are two stages of the SSB Interview. Applicants who clear the Stage 1 test are invited to take the Stage 2 exam. Check out the SSB Exam Pattern from the table below:

Stages Tests

Stage 1 

Screening Test

  • Verbal and non-verbal tests.
  • PDT

Stage 2

Psychological Test

  • Thematic Apperception Test (TAT)
  • Word Association Test (WAT)
  • Situation Reaction Test (SRT)
  • Self Description Test (SD)

Group Testing Officers Test

  • GD
  • GPE
  • PGT
  • HGT
  • IoT
  • Command Task
  • Snake race/Group Obstacle Race
  • Individual lecture
  • FGT

Personal Interview


NDA Syllabus 2021

It is very important to know the detailed NDA Syllabus of the examination before moving forward. NDA Syllabus 2021 includes two parts:

  • Mathematics and
  • General Aptitude Test.

Here is the detailed list of the NDA Syllabus mentioned in the table below:

Sr. No.


NDA Syllabus 2021



Concept of set, operations on sets, Venn diagrams, De Morgan laws, Cartesian product, relation, equivalence relation.

Representation of real numbers on a line. Complex numbers—basic properties, modulus, argument, cube roots of unity. Binary system of numbers. Conversion of a number in the decimal system to the binary system and vice-versa. Arithmetic, Geometric and Harmonic progressions. Quadratic equations with real coefficients. The solution of linear inequalities of two variables by graphs. Permutation and Combination. Binomial theorem and its applications. Logarithms and their applications.


Matrices and Determinants

Types of matrices, operations on matrices. The determinant of a matrix, basic properties of determinants. Adjoint and inverse of a square matrix, Applications-Solution of a system of linear equations in two or three unknowns by Cramer’s rule and by Matrix Method.



Angles and their measures in degrees and in radians. Trigonometrical ratios. Trigonometric identities Sum and difference formulae. Multiple and Sub-multiple angles. Inverse trigonometric functions. Applications-Height and distance, properties of triangles.


Analytical Geometry Of Two and Three Dimensions

Rectangular Cartesian Coordinate system. Distance formula. Equation of a line in various forms. The angle between the two lines. The distance of a point from a line. Equation of a circle in standard and in a general form. Standard forms of parabola, ellipse, and hyperbola. Eccentricity and axis of a conic. The point in a three-dimensional space, the distance between two points. Direction Cosines and direction ratios. Equation two points. Direction Cosines and direction ratios. Equation of a plane and a line in various forms. The angle between the two lines and the angle between the two planes. Equation of a sphere.


Differential Calculus

Concept of a real-valued function–domain, range, and graph of a function. Composite functions, one-to-one, onto, and inverse functions. Notion of limit, Standard limits—examples. Continuity of functions – examples, algebraic operations on continuous functions. Derivative of function at a point, geometrical and physical interpretation of a derivative-application. Derivatives of sum, product, and quotient of functions, a derivative of a function with respect to another function, a derivative of a composite function. Second-order derivatives. Increasing and decreasing functions. Application of derivatives in problems of maxima and minima


Integral Calculus and Differential Equations

Integration as inverse of differentiation, integration by substitution and by parts, standard integrals involving algebraic expressions, trigonometric, exponential, and hyperbolic functions. Evaluation of definite integrals—determination of areas of plane regions bounded by curves—applications.

Definition of order and degree of a differential equation, formation of a differential equation by examples. General and particular solution of differential equations, solution of the first order, and first-degree differential equations of various types—examples. Application in problems of growth and decay.


Vector Algebra

Vectors in two and three dimensions, magnitude, and direction of a vector. Unit and null vectors, the addition of vectors, scalar multiplication of a vector, scalar product, or dot product of two vectors. Vector product or cross product of two vectors. Applications—work done by a force and moment of a force and in geometrical problems.


Statistics and Probability

Statistics: Classification of data, Frequency distribution, cumulative frequency distribution – examples. Graphical representation – Histogram, Pie Chart, frequency polygon—examples. Measures of Central tendency—Mean, median, and mode. Variance and standard deviation determination and comparison. Correlation and regression.

Probability: Random experiment, outcomes, and associated sample space, events, mutually exclusive and exhaustive events, impossible and certain events. Union and Intersection of events. Complementary, elementary, and composite events.

Definition of probability—classical and statistical—examples. Elementary theorems on probability—simple problems. Conditional probability, Bayes’ theorem—simple problems. Random variable as function on a sample space. Binomial distribution, examples of random experiments giving rise to Binominal distribution.

Paper-2: General Ability Test i.e. GAT (600 Marks)

NDA 2021 Exam Syllabus

NDA 2021 Exam Syllabus

NDA Syllabus  2021

Part A

(200 Marks)


Grammar and usage, Para Jumbling, vocabulary, Cloze Test, comprehension and cohesion in extended text, Idioms, and Proverbs, etc.

Part B

(400 Marks)


This section includes various subjects as mentioned below-

Part B

(100 Marks out of 400 Marks)

Section ‘A’ of GK (Physics)

Mass, Weight, Volume,

Density and Specific Gravity, Physical Properties and States of Matter, Principle of Archimedes, Pressure Barometer.

The motion of objects, Velocity, and Acceleration, Newton’s Laws of

Motion, Stability, and Equilibrium of bodies, Gravitation, elementary ideas of work, Power and Energy, Measurement of Temperature and Heat,  Effects of Heat, change of State and Latent Heat, Modes of transference of Heat. Sound waves and their properties, Simple musical instruments. Rectilinear propagation of Light, Reflection, and refraction. Spherical mirrors and Lenses, Human Eye, Force and Momentum, Parallelogram of Forces, 

Natural and Artificial Magnets, Properties of a Magnet, Earth as a


conductors and Non-conductors,

Ohm’s Law, Static and Current Electricity, Simple Lighting and Magnetic

effects of Current, Electrical Circuits, Measurement of Electrical Power, Primary and 

Secondary Cells, Use of X-Rays, Heating, 

Simple Pendulum, Simple Pulleys, Siphon, Levers, Balloon,

Pumps, Telegraphs, Hydrometer, Gramophone, Pressure Cooker, Thermos Flask,

Telephone, Telescope, Microscope, Periscope, Mariner’s

Compass; Safety Fuses,  Lightning Conductors, etc.

Part B

(60 Marks out of 400 Marks)

Section ‘B’ (Chemistry)

Physical and Chemical changes. Elements, Symbols, Formulae and simple Chemical Equations, Mixtures and Compounds, Properties of Air and Water, Law of Chemical Combination (excluding problems). 

Preparation and Properties of Hydrogen, Nitrogen and Carbon Dioxide, Oxygen, Oxidation, and Reduction. Acids, bases and salts, Fertilizers—Natural and Artificial, Carbon – different forms. The material used in the preparation of substances like Soap, Glass, Paints, Safety Matches, Ink, Paper, Cement, and Gun-Powder. Elementary ideas about the structure of Atom, Molecular Weights, Valency, and Atomic Equivalent. 

Part B

(40 Marks out of 400 Marks)

Section ‘C’ (General Science)

Difference between living and non-living. Basis of Life—Cells,

Growth and Reproduction in Plants and

Animals. Protoplasms and Tissues. 

Common Epidemics, their causes, and prevention.

Elementary knowledge of the Human Body and its important organs.

Food—Source of Energy for man. Balanced Diet. Constituents of food, The Solar System—Meteors and Comets, Eclipses. Achievements of Eminent


Part B

(80 Marks out of 400 Marks)

Section ‘D’ (History, Freedom Movement, etc.)

A broad survey of Indian History, with emphasis on Culture and

Civilization. Elementary study of Indian Constitution and Administration. Freedom Movement in India. Panchayati Raj, Co-operatives and Community Development. National Integration and Welfare State, Bhoodan, Sarvodaya, Basic Teachings of Mahatma Gandhi.

Forces shaping the modern world; Renaissance, Exploration, and Discovery; French Revolution, Industrial Revolution, and Russian Revolution. War of American Independence. Impact of Science and Technology on Society. United Nations, Concept of one World, Panchsheel, Democracy, Socialism and Communism. Role of India in the present world.

Part B

(80 Marks out of 400 Marks)

Section ‘E’ (Geography)

The Earth, its shape and size. Latitudes and Longitudes, Concept of time. International Date Line. Origin of Earth. Movements of Earth and their effects.

Rocks and their classification; Weathering-Mechanical and Chemical, Ocean Currents and Tides Atmosphere and its composition;  Earthquakes and Volcanoes. Temperature and Atmospheric Pressure, Cyclones and Anticyclones; Planetary Winds, Humidity; Condensation and Precipitation; Major Natural regions of the World. Types of Climate, Regional Geography of India—Climate, Natural vegetation. distribution of agricultural and Industrial activities. and Mineral and Power resources; location. Important Sea ports and main sea, land, and air routes of India, etc.

Part B

(40 Marks out of 400 Marks)

Section ‘F’ (Current Events)

Knowledge of Important events that have happened in India in recent years. Current important world events. Prominent Indian and International personalities connected with cultural activities and sports.

NDA Preparation Tips 2021

Preparing well for the exam can help you to score more. Here are few NDA Preparation Tips which may be useful in cracking a competitive exam like NDA 2021.

  • Firstly, candidates have to go through the exam pattern and NDA syllabus carefully. So that you do not miss out on any topics.
  • Make a smart study plan accordingly and give time for each topic. Study every topic in depth.
  • Prepare a timetable and allot time for each subject.
  • Choosing the right study material is very essential during preparation. Candidates can buy the top-selling NDA Exam Study Material online for their preparation.
  • Solving the previous year’s question papers also helps in knowing various concepts. You can get a clear idea of the types of questions being asked in the examination.
  • Make short notes during preparation so that you can utilize them at the last moment of preparation.
  • Make yourself fit and healthy and do not stress yourself for preparation.

Keep visiting our blog for all the latest information on NDA Syllabus 2021.

FAQ’s Related To NDA Syllabus 2021

1- Is the NDA Syllabus difficult?

The NDA syllabus is detailed, and if an applicant is familiar with the topics covered in the syllabus as well as the most recent exam pattern, they do not feel it difficult.

2- What are the subjects asked in the NDA 2021 Exam?

The subjects asked in the NDA 2021 Exam are: Mathematics and General Ability Test.

3- What happens when I pass the NDA exam?

The joining formalities by UPSC will handle for chosen NDA applicants.

4- In how many shifts NDA exam will be administered?

NDA exam will be undertaken in two shifts: Morning and Afternoon. 

5- What is the time limit for Mathematics in NDA Exam?

The time limit for Mathematics in NDA 2021 Exam is 2 Hours & 30 Minutes.

6- What is the total time limit for NDA 2021 Exam?

The total time limit for NDA 2021 Exam is 5 Hours.

7- Is NDA Exam bilingual?

Yes. The question papers of mathematics and General Ability Test will be set bilingually in Hindi as well as English.

8- Is there any negative marking in NDA Written Exam?

Yes. There will be Negative Marking of One third marks for wrong answers in NDA Exam.

9- How are aspirants evaluated in SSB Interview?

Aspirants in SSB Interview are judged based on their Psychological Aptitude and Intelligence.


We have covered a detailed guide on the NDA Syllabus and Exam Pattern 2021. If you have any queries related to NDA Exam, feel free to ask us in the comment section below.

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