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.
NDA EXAM PATTERN
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 
NDA SYLLABUS
MATHEMATICS
Trigonometry

Inverse Trigonometric Functions 
Trigonometrical Ratios 
Angles and Their Measures in Degrees and in Radians 
Multiple and SubMultiple 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 

Algebra

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 viceversa 
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 
Applicationswork 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 

GENERAL ABILITY TEST
Physics

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 NonConductors 
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 XRays 
Simple Pendulum 
Telescope & Microscope 
Pumps & Hydrometer 
Pressure Cooker & Thermos Flask 
Rectilinear propagation of Light 
Gramophone, Telegraphs &
Telephone 
Lightening Conductors 
Simple Pulleys 
Safety Fuses 
Siphon, Levers & Balloon 
Heating 

Chemistry

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 GunPowder 
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 
Atomic 
Preparation and Properties of Hydrogen 
Oxygen 
Carbon 

History

Elementary study of Indian Constitution and Administration 
United Nations 
Basic Teachings of Mahatma Gandhi 
Panchayati Raj 
A broad survey of Indian History 
Cooperatives 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) 

Geography

Ocean Currents and Tides 
Latitudes and Longitudes 
Major Natural Regions of the World 
Climate & Types of Climate 
Planetary Winds 
Atmosphere and Its Composition 
Cyclones & AntiCyclones 
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 

English

Grammar and Usage, Vocabulary 
Reading Comprehension 
NDA PREVIOUS YEAR PAPERS
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.
NDA BEST BOOKS
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.
Read More: CAT EXAM BEST BOOKS  FULL STUDY MATERIALS