Various sources are available for preparation of NDA/ NA written examination such as good books, exam pattern, syllabus, previous question papers and articles written by recommended candidates. In this post we will discuss about the best resources available and preparation material that you can use to clear the NDA written exam.

UPSC NDA & NA is a national level examination where lakhs of students appear to get admission in the National Defense Academy of the country. Therefore, the level of competition is very high. Candidates for this type of examination require a proper preparation strategy. Sorting of the best books is considered one of the most effective pillars of preparation strategy.


The UPSC NDA and NA preparation books provide a good insight into all the subjects and subjects that students will need for better preparation. Those who are interested for this exam observe full exam pattern carefully, which is given below. You can understand how to prepare for UPSC NDA & NA section and to keep in mind while preparing for this exam.

However, books can be used only if the candidates are aware of the syllabus and the exam pattern of the NDA exam. Therefore, it is desirable to go through the syllabus to get a better understanding and then start studying with the right study material or books. You can choose the books of various subjects of the syllabus or go for the NDA & NA preparation books.

Subject No. Of Questions No. Of Marks Duration
Mathematics 120 300 2hrs 30min
General Ability Test 150 600 2hrs 30min
Total 100 300 5hrs




Inverse Trigonometric Functions Trigonometrical Ratios Angles and Their Measures in Degrees and in Radians
Multiple and Sub-Multiple Angles Applications – Height and Distance, Properties of Triangles Trigonometric Identities Sum and Difference Formulae

Calculus & Differential Equations 

Standard Integrals Involving Algebraic Expressions Integration as Inverse of Differentiation Integration by Substitution and By Parts
Formation of a Differential Equation by Examples Exponential and Hyperbolic Functions Determination of Areas of Plane Regions Bounded by Curves
Evaluation of Definite Integrals Definition of order and Degree of a Differential Equation General and Particular Solution of a Differential Equations


Binary System of Numbers Concept of Set Relation
Geometric and Harmonic Progressions Binomial Theorem and Its Applications Cartesian Product
Operations on Sets De Morgan Laws Representation of Real Numbers on a Line
Quadratic Equations with Real Coefficients Permutation and Combination Complex numbers
Logarithms and their Applications Venn diagrams Arithmetic
Linear in Equations of Two Variables by Graphs Decimal System to Binary System and vice-versa Equivalence Relation

Vector Algebra 

Scalar Multiplication of a Vector Vectors in Two and Three Dimension Vector Product or Cross Product of Two Vector
Magnitude and Direction of a Vector Addition of Vectors Scalar Product or Dot Product of Two Vectors
Unit and Null Vectors Applications-work done by a force and moment of a force and in geometrical problems

Matrices & Determinants 

Basic Properties of Determinants Operations on Matrices Types of Matrices

Differential Calculus Analytical 

Function with Respect to Another Function Sum, Product and Quotient of Functions Range and Graph of a Function
Function at a Point Composite Function Problems of Maxima and Minima
Continuity of Functions Algebraic Operations on Continuous Function Second Order Derivatives
Increasing and Decreasing Functions Concept of a Real Valued Function Composite Functions
Geometrical and Physical Interpretation of a Derivative Standard Limits Notion of Limit

Analytical Geometry Of 2D & 3D 

Direction Cosines and Direction Ratios Rectangular Cartesian Coordinate System Distance of a Point From a Line
Standard Forms of Parabola, Ellipse and Hyperbola Angle Between Two Lines and Angle between Two Planes Equation of a Line in Various Forms
Equation of a Sphere Eccentricity and Axis of a Conic Angle between Two Lines
Equation of a Plane and a Line in Various Forms Point in a Three Dimensional Space Distance Between Two Points
Distance Formula Equation of a Circle in Standard and in General Form

Statistics & Probability 

Cumulative Frequency Distribution Mean, Median and Mode Graphical Representation (Histogram, Pie Chart)
Frequency Polygon Measures of Central Tendency Classification of Data
Frequency Distribution Variance and Standard Deviation Correlation and Regression
Determination and Comparison Random Experiment Elementary and Composite Events
Impossible and Certain Event Mutually
Exclusive and Exhaustive Events
Outcomes and Associated Sample Space
Union and Intersection of Events Elementary Theorems on Probability Bayes Theorem
Random Variable as Function on a Sample Space Binomial Distribution Simple Problems



Velocity and Acceleration Density and Specific Gravity Simple Electrical Circuits
Power and Energy Pressure Barometer Physical Properties & States of Matter
Spherical mirrors and Lenses Modes of Transference of Heat Primary & Secondary Cells
Static & Current Electricity Sound Waves & Their Properties Newton’s Laws of Motion
Measurement of Electrical Power Change of State & Latent Heat Measurement of Temperature and Heat
Gravitation Force & Momentum Conductors and Non-Conductors
Mass, Weight, Volume Lighting and Magnetic effects of Current Elementary Ideas of Work
Earth as a Magnet Simple Musical Instruments Effects of Heat
Motion of objects Ohm’s Law Properties of a Magnet
Reflection & Refraction Stability and Equilibrium of Bodies Human Eye
Natural & Artificial Magnets Principle of Archimedes Mariner’s Compass
Use of X-Rays Simple Pendulum Telescope & Microscope
Pumps & Hydrometer Pressure Cooker & Thermos Flask Rectilinear propagation of Light
Gramophone, Telegraphs &
Lightening Conductors Simple Pulleys
Safety Fuses Siphon, Levers & Balloon Heating


Valency Formulae & Simple Chemical Equations Oxidation and Reduction
Law of Chemical Combination Mixtures and Compounds Artificial Material used in the preparation of
substances like soap, Glass, Ink, Paper, Cement, Paints,
Safety Matches, and Gun-Powder
Equivalent and Molecular Weight Physical and Chemical changes Acids, bases and salts
Properties of Air and Water Nitrogen and Carbon dioxide Elements
Fertilizers Elementary ideas about the
Structure of Atom
Preparation and Properties of Hydrogen Oxygen Carbon


Elementary study of Indian Constitution and Administration United Nations Basic Teachings of Mahatma Gandhi
Panchayati Raj A broad survey of Indian History Co-operatives and Community Development
Exploration and Discovery Concept of One World National Integration and Welfare State
Freedom Movement in India Culture and Civilizations War of American Independence
Democracy, Bhoodan, Sarvodaya Elementary knowledge of Five Year Plans of India Modern World, Role of India in the Present World
French Revolution Industrial Revolution and Russian Revolution Socialism and Communism

General Science 

The Solar System (Meteors and Comets) Growth and Reproduction in Plants and Animals Achievements of Eminent Scientists
Living and Non- Living Food (Source of Energy for man) Eclipses
Balanced Diet Constituents of Food Basis of Life (Cells, Protoplasm’s & Tissues)


Ocean Currents and Tides Latitudes and Longitudes Major Natural Regions of the World
Climate & Types of Climate Planetary Winds Atmosphere and Its Composition
Cyclones & Anti-Cyclones Concept of Time Earthquakes & Volcanoes
Humidity Movements of Earth and their effects Mineral and Power Resources
Important Sea, Ports and Main Sea Imports and Exports of India Land and Air Routes of India
Distribution of Agricultural and Industrial Activities Temperature and Atmospheric Pressure Condensation and Precipitation
Natural vegetation Origin of Earth The Earth
International Date Line Weathering (Mechanical and Chemical) Rocks and Their Classification


Grammar and Usage, Vocabulary
Reading Comprehension


Candidates appearing for the exam can start focusing on practicing NDA previous year papers to understand the nature of the questions asked. In addition, candidates can get the NDA Previous Year Question Paper to improve time management skills, speed, accuracy and effort strategy. NDA solving previous year question papers will help the candidates to understand the difficulty level of the exam and the types of questions asked in the exam.

14 Solved Papers Chapterwise Solved Papers
10 Practice Sets 26 Years


NDA books will help the candidates to prepare in an organized manner and will also help to get clarity on some difficult topics or concepts. We prepared a list of the best books for UPSC NDA & NA 2021. These books will serve as a guide for important parts of the curriculum.

The preparation of NDA exam becomes very easy if interested candidates know about the best books of NDA 2021 exam. Books are considered as one of the best mediums during the preparation of any entrance exam.

Pathfinder by Arihant NDA/ NA Guide (hindi)
Maths By R.S. Aggarwal Full Book Set
Full Study Materials Pathfinder + Practice Sets


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