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NDA: National Defence Academy Exam

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NDA 2021 Exam Highlights:

Name of the Exam National Defence Academy & Naval Academy Examination (NDA & NA)
Conducted by  UPSC
Level of the Exam   National
Category of the Exam   At least 12th pass
Exam Frequency  Two times a year
Stages of the Exam   Written Test and Services Selection Board
Mode of the Exam   Offline
Duration of the Exam    Total time: 5 hours

Math: 2 hours 3omins

General Ability Test (GAT): 2 hours 3omins

Syllabus of the Exam   Maths: Algebra, Trigonometry, Geometry (2D & 3D), Calculus, Vectors, Statistics, Probability and others
General Ability Test: English, Current Awareness, Physics, Chemistry, Science, Geography, Current Events, History etc.
The pattern of the Exam   General Ability Test: 150 MCQs
Math: 120 MCQs
Language of the Exam   English and Hindi only
Purpose of the Exam   To get selected in National Defence Academy (NDA) and Indian Naval Academy Course (INAC)
Test cities of the Exam   41 Cities
Helpdesk for Exam 011-23385271/011-23381125/011- 23098543
Official website

NDA Eligibility Criteria 2021

Age Limit: Firstly, NDA 1 exam, the applicant must be born after 2nd July 2002. However, not after 1 July 2005. Secondly, NDA 2 exam, the applicant must be born after  2nd January 2002, and not after 1 January 2006.

Educational qualification: Of course, for different academies the educational qualification is different. for different academies below is the educational qualification. The aspirants can check the same.

Army Wing of National Defence Academy At least Passed 12th or HSC or equivalent from a recognized board or university.
Air Force, Navy and Naval Academy of National Defence Academy At least Passed 12th or HSC with Physics and Mathematics

NDA Dates 2021

NDA I and II Exam Dates have been announced.

NDA I Dates 2021

Events Dates Salient Features
Notification released 30/12/2020 To begin with, all the information related to exam has been released. For example dates of exams, results and more.
Application form released 30/12/2020 Registration for these exams have already started
Last date for application 19/01/2021 Application forms can be submitted online by the candidates.
Application withdrawal 27/01/2021 to 02/02/2021 After completion of the registration process, withdrawal window is also given to each candidate.
Written exam 18/04/2021 The exams are conducted in two batches: morning shift and afternoon shift. The exam is conducted in 41 cities.
Admit card Tentative March 2021 Applicants can download their respective admit cards after registering successfully.
Result of written exam Tentative June 2021 The written test result is displayed online, one can check their result with their roll number or serial number.
Staff Selection Board Interview Tentative July to Sept 2021 For the aspirants who get shortlisted in the written test, SSB conducts their interviews in two stages

NDA 2 Dates 2021

Events Dates Salient Features
Notification released 09/06/2021 NDA 2 is yet to be released and the same will be released in PDF format
Application form released 09/06/2021 The application forms will be released on the same date as the notification.
Last date for application 29/06/2021 There is a deadline within which the application must be submitted.
Written exam 05/09/.2021 This also is conducted in two batches; morning and afternoon
Admit card Tentative August 2021 Downloading the admit card is available for all the registered candidates.
Result of written exam Tentative December 2021 The written test declaration is made online. All applicants may view the same once released.
Staff Selection Board Interview Tentative January 2022 to April 2022 SSB conducts the interview in two stages

NDA vacancies 2021

A total of 400 vacancies will be filled through the exam. Also, vacancies a total of 418 and 413 have been announced respectively for the NDA 1 exam and the NDA 2 Exam in 2020.

NDA 1 vacancies 2021

Academy Number of vacancies
NDA Vacancies 370 VacanciesNumber of Army Vacancies: 208

Number of Navy Vacancies: 42

Number of Air Force Vacancies: 120
(including 28 for ground Duties)

Naval Academy (10+2 Cadet Entry Scheme) 30 Vacancies
Total Vacancies 400 Vacancies

NDA 2021 Exam Pattern: Highlights

Mode of the Exam Offline Mode
Total Number of papers General Ability Test (GAT) and Math
Duration of the Exam General Ability Test (GAT): 2 hours 3ominsMath: 2 hours 3omins
Time of the Exam General Ability Test (GAT): 10 am to 12.30 pmMath: 2 pm to 4.30 pm
Number of questions General Ability Test (GAT): 150 questionsMath: 120 questions
Question paper Language English and Hindi only
Total marks Written Exam: 900 (600 for GAT and 300 for Math)SSB Interview: 900 marks

NDA Exam Pattern 2021 for Written Exam

The exam paper of the NDA written exam is divided into two parts, GAT and Mathematics. Each question is a multiple-choice question type i.e. MCQs. The number of questions is 150 and 120 for GAT and Math respectively. Both Math and  General Ability Test (GAT) is for 2 and a half hours each. Therefore, the total duration of the exam is 5 hours. The GAT section will be for 600 marks while the Mathematics section will carry 300 marks. The GAT section is divided into two parts. Part A and Part B comprise English and General Knowledge respectively. The structure of the NDA exam pattern for the written exam is given below.

Paper Type Subject Maximum marks Total Duration
Paper 1 Math 300 Marks 2 hours 3omins
Paper 2 General Ability Test 600 Marks 2 hours 3omins
Total 900 Marks 5 hours

Distribution of GAT:

Section Type Maximum marks

Part A – English

200 Marks

Part B – General Knowledge


100 Marks


60 Marks

General Science

40 Marks

History, Freedom Movement, etc.

80 Marks


80 Marks

Current Events

40 Marks


600 Marks

Marking Scheme for NDA written exam

The scoring system of NDA is formed by UPSC. There are negative marks for incorrect answers, 1/3 of the marks allocated to every question are deducted for the inaccurate answer. there’s no reduction in marks for unanswered questions. The marking scheme of NDA is given below.

Section Type Marks for the right answer Marks for the wrong answer
GAT 4 1.33
Math 2.5 0.83

NDA Exam Pattern 2021 for SSB Interview

The SSB Interview is split into two stages. Candidates qualifying the Stage 1 are mixed up with the Stage 2 exam. Stage 1 of the SSB Interview comprises Officer Intelligence Rating (OIR) tests and movie Perception and outline Test (PP&DT). Stage 2 comprises Group Testing Officer Tasks, Psychology Tests, and also the Conference. This stage carries a complete of 900 marks. Candidates can check the pattern of SSB Interview.

Stages Tests

Stage 1

Screening Test

  • Verbal and non-verbal tests.
  • PPDT

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 is split into Math and General Ability Test (GAT). Applicants appearing within the exam should evaluate the NDA syllabus fully to understand the topics they have to hide for the exam. With the assistance of the syllabus, aspirants are able to know the significant topics for the exam and plan their studies accordingly. the quality of the NDA syllabus is of sophistication at 10, 11, and 12 levels. The detailed NDA syllabus is given below.

NDA Syllabus 2021 for Mathematics

According to the NDA exam model, this segment carries a complete of 120 questions. the full marks assigned to the present section of the NDA exam are 300. For the right answer, 2.5 marks are awarded. For the incorrect answer, 0.85 marks are subtracted. the quality of the NDA question paper for the Math partis of sophistication 11 and 12 levels. Aspirants can clear their notion of Maths by bearing on the NCERT books of sophistication 11 and 12. NDA syllabus 2020 for Mathe is given below.

Algebra Matrices and Determinants
Trigonometry Analytical Geometry of Two and Three Dimensions
Differential Calculus Integral Calculus and Differential Equations
Vector Algebra Statistics and Probability

The topic-wise distribution of questions in Maths

Topic Questions
Calculus 20-25
Quadratic equation 20-15
Matrices & Determinants 30
Probability 10
Trigonometry 30
Complex number 10-15

Get the latest NDA syllabus in PDF format for section-wise preparation of the NDA exam.

NDA Syllabus 2021 for GAT

The GAT syllabus of NDA is split into two parts. Part A includes questions from English while Part B carries questions from knowledge. there’ll be a complete of 150 questions. Total marks for this segment are 600. Each question carries 4 marks while 1.33 marks are going to be subtracted for the incorrect answers.

English: The question paper in English is intended to check the applicant’s knowledge of English. The syllabus comprises different viewpoints like Grammar and usage, vocabulary, comprehension, and cohesion.


Physical Properties and States of Matter Modes of transference of Heat
Mass Sound waves and their properties
Weight Simple musical instruments
Volume Rectilinear propagation of Light
Density and Specific Gravity Reflection and refraction
Principle of Archimedes Spherical mirrors and Lenses
Pressure Barometer Human Eye
Motion of objects Natural and Artificial Magnets
Velocity and Acceleration Properties of a Magnet
Newton’s Laws of Motion Earth as a Magnet
Force and Momentum Static and Current Electricity
Parallelogram of Forces Conductors and Non-conductors
Stability and Equilibrium of bodies Ohm’s Law
Gravitation Simple Electrical Circuits
Elementary ideas of work Heating, Lighting, and Magnetic effects of Current
Power and Energy Measurement of Electrical Power
Effects of Heat Primary and Secondary Cells
Measurement of Temperature and Heat Use of X-Rays
General Principles in the working of the following: Simple Pendulum, Simple Pulleys, Siphon, Levers, Balloon, Pumps, Hydrometer, Pressure Cooker, Thermos Flask, Gramophone, Telegraphs, Telephone, Periscope, Telescope, Microscope, Mariner’s Compass; Lightning Conductors, Safety Fuses.


Preparation and Properties of Hydrogen, Oxygen, Nitrogen and Carbon Dioxide, Oxidation, and Reduction. Acids, bases, and salts. Carbon— different forms Physical and Chemical Changes
Fertilizers—Natural and Artificial Elements
The material used in the preparation of substances like Soap, Glass, Ink, Paper, Cement, Paints, Safety Matches and Gunpowder Mixtures and Compounds
Elementary ideas about the structure of Atom Symbols, Formulae and simple Chemical Equation
Atomic Equivalent and Molecular Weights Law of Chemical Combination (excluding problems)
Valency Properties of Air and Water
General Science
Common Epidemics, their causes, and prevention Difference between the living and non-living
Food—Source of Energy for man Basis of Life—Cells, Protoplasms, and Tissues
Constituents of food Growth and Reproduction in Plants and Animals
Balanced Diet Elementary knowledge of the Human Body and its important organs
The Solar System—Meteors and Comets, Eclipses. Achievements of Eminent Scientists


Forces shaping the modern world; Renaissance A broad survey of Indian History, with emphasis on Culture and Civilisation
Exploration and Discovery; War of American Independence, French Revolution, Industrial Revolution, and Russian Revolution Freedom Movement in India
Impact of Science and Technology on Society Elementary study of Indian Constitution and Administration
Concept of one World Elementary knowledge of Five Year Plans of India
United Nations, Panchsheel, Democracy, Socialism, and Communism Panchayati Raj
Role of India in the present world Co-operatives and Community Development
A broad survey of Indian History, with emphasis on Culture and Civilisation Bhoodan, Sarvodaya, National Integration and Welfare State
Basic Teachings of Mahatma Gandhi


The Earth, its shape and size Ocean Currents and Tides Atmosphere and its composition
Latitudes and Longitudes Temperature and Atmospheric Pressure, Planetary Winds, Cyclones, and Anticyclones; Humidity; Condensation and Precipitation
Concept of time Types of Climate
International Date Line Major Natural Regions of the World
Movements of Earth and their effects Regional Geography of India—Climate, Natural vegetation. Mineral and Power resources; location and distribution of agricultural and Industrial activities
Origin of Earth. Rocks and their classification Important Sea ports and main sea, land, and air routes of India
Weathering—Mechanical and Chemical, Earthquakes and Volcanoes Main items of Imports and Exports of India

Current Affairs

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

NDA Cut off 2021 Dates

The table here includes the NDA 2021 dates linked to the announcement of cut-off marks.

NDA Cut off 2021 Events NDA 1 2021 NDA 2 2021
Written Exam 18-Apr-2021 05-Sept-.2021
SSB Interview July 2021 to September 2021  January 2021 to April 2022
Release of NDA cut off marks December 2021 May 2022

How is NDA Cut off calculated?

NDA cut off is determined based on the subsequent factors:

  • Number of test-takers
  • Total vacancies
  • Exam difficulty

NDA Cut off 2021 for written exam

The cut off for this stage is determined out of 900 marks. UPSC also determines exclusive NDA cut off for the written exam. The exclusive cut off is calculated on the grounds of the total marks of every segment. The sectional NDA cut off is distinctive for NDA 1 and 2 exams. In 2018, the exclusive NDA 1 and 2 cut-offs were 25% in each subject. In 2016, the exclusive NDA 2 cut-off was 20% while it was 25% for NDA 1 in the identical year.

Previous years’ NDA Cut off for the written exam

NDA (2) 2019 Final Cut off 

Minimum qualifying standard/marks at the written stage (out of 900 marks) Marks secured by the last candidate in the merit order (out of 1800 marks)
346 (With at least 25% marks in each subject) 709

NDA 2 cut off

Year NDA 2 cut off (Out of 900 marks)
2018 325 (With at least 25% marks in each subject)
2017 258 (With at least 25% marks in each subject)
2016 229 (With at least 20% marks in each subject)

NDA 1 cut off

Year NDA 1 cut off (Out of 900 marks)
2019 342 (With at least 25% marks in each subject)
2018 338 (With at least 25% marks in each subject)
2017 342 (With at least 25% marks in each subject)
2016 288 (With at least 25% marks in each Subject)

NDA Cut off 2021 for Final Selection

NDA cut-off 2021 for the last selection is the marks obtained by the last eventually approved applicants. The cut off for this step is chosen out of 1800 marks (900 marks of written exam + 900 marks of Interview.

Previous years’ NDA Cut off for Final Selection 

NDA 1 2019 final Cut off 

Academy NDA 1 Final Cut off 2019 (out of 1800)
Army 704
Air Force
Naval Academy

NDA 2 cut off

Year NDA 2 cut off (Out of 1800 marks)
2018 688
2017 624
2016 602

NDA 1 cut off

Year NDA 1 cut off (Out of 1800 marks)
2018 705
2017 708
2016 656

NDA Exam Analysis 2021 

NDA 1 2021 exam is scheduled to be carried on on April 18, 2021. The written exam of NDA 2 2021 is carried on September 5, 2021. NDA exam review of 2021 is going to be made obtainable to applicants soon after the exam gets completed. The exam review is going to be presented independently for Math and GAT. Till then, applicants can review below NDA 2020 exam report for both papers.

NDA (I) and (II) 2021 Exam Analysis for Mathematics

The Math paper consistent with the NDA exam model consists of 120 questions of 300 marks. The paper is sometimes was moderate. Questions are asked from Matrices, Trigonometry, Quadratic Equations, etc. An of 55 to 60 questions may be viewed as a decent attempt. Check NDA 2020 exam report for Math.

Topics No of questions Difficulty level
Matrices & Determinants 7 questions Moderate level
Permutation and Combination 2 questions Moderate level
Probability 9 questions Moderate level
Trigonometry 20 questions Moderate level
Applications of Derivatives 15 questions Moderate level
Application of Integrals 7 questions Moderate level
Complex Numbers 3 questions Moderate level
Integration 5 questions Moderate level
Quadratic Equation 3 questions Moderate level
Conic Series 2 questions Moderate level
Coordinate Geometry and Straight Lines 9 questions Moderate level
3D & Vectors 11 questions Moderate level
Set, Relations & Function 8 questions Moderate level
Miscellaneous 3 questions Moderate level
Overall Moderate level

NDA (I) & (II) Exam Analysis 2021 for GAT

The GAT Paper carries 150 questions of 600 marks. Usually, the questions are moderate in terms of difficulty level. Below is that the NDA exam analysis for GAT.

Topics No. of questions Difficulty level
English 50 questions Easy level
Geography 20 questions Moderate level
History 20 questions Moderate level
Physics 25 questions Moderate level
Chemistry 15 questions Moderate level
General Science 10 questions Moderate level
Current Affairs 10 questions Moderate level

Trend Analysis of NDA Questions Papers

The last three years’ NDA papers are given below.

Latest three years’ course examination of English paper

Topics 2013(I) 2013 (II) 2014 (I) 2014 (II) 2015 (I) 2015 (II)
Spotting Errors 10 10 11 10 15 9
Synonyms 10 10 Nil 10 4 5
Antonyms 10 10 4 10 4 5
Selecting words & fill-ups Nil 10 4 10 Nil 15
Comprehension Passage Nil 4 7 Nil Nil Nil
Rearrangement of Sentences Nil 6 Nil Nil 6 6
Cloze Comprehension 20 Nil 12 Nil 6 Nil
Sentence Improvement Nil Nil 12 10 15 10

Latest three years’ course examination of Math paper

Topics 2012 (II) 2012 (I) 2011 (II) 2011 (I) 2010 (II) 2010 (I)
Sets, Relations & Function 6 9 2 11 7 8
PNC 2 1 3 7 4 3
Binomial Theorem 0 2 2 1 4 1
Logarithm 1 1 2 2 1 1
Matrix, Determinants 8 11 7 7 6 7
Binary Numbers 2 2 1 2 2 2
Sequence, Series 4 6 5 5 4 5
Probability 10 3 5 6 4 8
Statistics 12 6 20 7 10 4
3D 7 4 5 5 3 7
2D 10 6 4 10 5 5
Circle 1 1 1 1 1 1

Latest three years’ course examination of General Knowledge paper

Topics 2012 (II) 2012 (I) 2011 (II) 2011 (I) 2010 (II) 2010 (I)
World Physical 21 19 19 22 18 21
Human (Tribe) 0 1 1 0 0 0
Timing 1 1 2 0 1 1
Agro-geography 0 2 0 2 1 1
Prehistoric 0 0 0 0 0 0

Contents are getting updated 🙂

List of Books for Mathematics

1. NCERT Mathematics Textbooks of Class 11 and Class 12
2. Pathfinder NDA & NA by Arihant Publications
3. Chapter-wise and Section-wise Solved Papers NDA/NA by Arihant Publications
4. 10 Practice Sets for NDA & NA by Arihant Publications
6. Mathematics for NDA and NA by RS Aggarwal
7. Mathematics for NDA and NA by S Chand publication
8. NDA entrance exam by E.S. Ramaswamy
9. Quantitative Aptitude by R.S. Agarwal

List of Books for GAT

1. NCERT Textbooks of all Subjects from Class 9
2. Latest Manorama Yearbook
3. General Knowledge 2021 by Arihant Publication
4. Objective General Knowledge by Lucent Publications
5. Success Series General Knowledge by Sachchida Nand Jha
6. Science and Technology in India by Kalpana Rajaram
7. History of Modern India by Bipan Chandra
8. Objective General English by SP Bakshi
9. High School English Grammar and Composition by Wren & Martin
10. Word Power Made Easy by Norman & Lewis

Please check the link for Previous Years Papers: Click Here

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