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by Hemant

Posted on 24-June-2021 2:13:12 PM    0 Comments    526 view(s)


Union Public Service Commission (UPSC) has published the NDA (II) 2021 notification on 9th June 2021. The National Defence Academy (NDA) admits students to the Army, Navy and Air Force wings. Lakhs of NDA aspirants are applying for the NATIONAL DEFENCE ACADEMY & NAVAL ACADEMY EXAMINATION (II), 2021. In this article, we are going to look into some important information related to NDA (II) 2021 notification, if you are an NDA aspirant and looking forward to applying and write this exam, this information will be useful for you.


National Defence Academy or NDA, many students think that this is a very tough exam and only very intelligent student can clear it. Some students think that only the student with very high percentage can crack NDA. Which is not at all true. There are a lot of myth regarding NDA, which create confusion in the minds of the candidates. So, before you read this article you must have clarity in the mind that only extraordinary students with good percentage do not clear NDA exam but average students with average percentage can clear the exam.






Notification Release date

9 June 2021

NDA (II) 2021 Application Start Date

9 June 2021

NDA (II) 2021 Apply Last Date

29 June 2021

Release of Admit card

2 Weeks before Exam

NDA (II) 2021 Exam date

05 September 2021

Declaration of result

Nov 2021





A candidate must be an unmarried male not below 16½ years and above 19½ years on the first day of the month in which the course is commencing

Age Limit for:

NDA (II) 2021: 02nd January, 2003 to 1st January, 2006

Educational Qualifications:

  • For Army Wing of National Defence Academy: Must have successfully completed Class XII in the 10+2 pattern of school education or equivalent examination conducted by a State education board or a university.
  • For Air Force and Naval Wings of National Defence Academy and Naval Academy: Must have passed Class 12 of the 10+2 pattern of school education or equivalent with Physics and Mathematics conducted by a State education board or a university. Candidates currently in Class XII in the 10 + 2 pattern of school education, or equivalent examination, can also apply.
  • Note: Candidates who are appearing in the 12th Class under the 10+2 pattern of School Education or equivalent examination can also apply for this examination.

Plan of the Examination:

The examination is divided into two Phases

(i) Written examination and

(ii) SSB Interview









2½ Hours



General Ability Test (English, GK and Science)

2½ Hours







PAPER-I MATHEMATICS (Maximum Marks-300)

1. ALGEBRA: 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 decimal system to binary system and vice-versa. Arithmetic, Geometric and Harmonic progressions. Quadratic equations with real coefficients. Solution of linear inequations of two variables by graphs. Permutation and Combination. Binomial theorem and its applications. Logarithms and their applications.

2. MATRICES AND DETERMINANTS: Types of matrices, operations on matrices. Determinant of a matrix, basic properties of determinants. Ad joint 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.

3. TRIGONOMETRY: 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.

4. ANALYTICAL GEOMETRY OF TWO AND THREE DIMENSIONS: Rectangular Cartesian Coordinate system. Distance formula. Equation of a line in various forms. Angle between two lines. Distance of a point from a line. Equation of a circle in standard and in general form. Standard forms of parabola, ellipse and hyperbola. Eccentricity and axis of a conic. Point in a three dimensional space, 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. Angle between two lines and angle between two planes. Equation of a sphere.

5. 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—applications. Derivatives of sum, product and quotient of functions, derivative of a function with respect to another function, derivative of a composite function. Second order derivatives. Increasing and decreasing functions. Application of derivatives in problems of maxima and minima.

6. 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 a differential equations, solution of first order and first degree differential equations of various types—examples. Application in problems of growth and decay.

7. VECTOR ALGEBRA: Vectors in two and three dimensions, magnitude and direction of a vector. Unit and null vectors, 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.

8. 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.


Part ‘A’—ENGLISH (Maximum Marks—200) The question paper in English will be designed to test the candidate’s understanding of English and workman like use of words. The syllabus covers various aspects like: Grammar and usage, vocabulary, comprehension and cohesion in extended text to test the candidate’s proficiency in English.

Part ‘B’—GENERAL KNOWLEDGE (Maximum Marks—400) The question paper on General Knowledge will broadly cover the subjects: Physics, Chemistry, General Science, Social Studies, Geography and Current Events. - The syllabus given below is designed to indicate the scope of these subjects included in this paper. The topics mentioned are not to be regarded as exhaustive and questions on topics of similar nature not specifically mentioned in the syllabus may also be asked. Candidate’s answers are expected to show their knowledge and intelligent understanding of the subject.

Section ‘A’ (Physics) Physical Properties and States of Matter, Mass, Weight, Volume, Density and Specific Gravity, Principle of Archimedes, Pressure Barometer. Motion of objects, Velocity and Acceleration, Newton’s Laws of Motion, Force and Momentum, Parallelogram of Forces, Stability and Equilibrium of bodies, Gravitation, elementary ideas of work, Power and Energy. Effects of Heat, Measurement of Temperature and 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. Natural and Artificial Magnets, Properties of a Magnet, Earth as a Magnet. Static and Current Electricity, conductors and Non-conductors, Ohm’s Law, Simple Electrical Circuits, Heating, Lighting and Magnetic effects of Current, Measurement of Electrical Power, Primary and Secondary Cells, 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; Lightening Conductors, Safety Fuses.

Section ‘B’ (Chemistry) Physical and Chemical changes. Elements, Mixtures and Compounds, Symbols, Formulae and simple Chemical Equations, Law of Chemical Combination (excluding problems). Properties of Air and Water. Preparation and Properties of Hydrogen, Oxygen, Nitrogen and Carbondioxide, Oxidation and Reduction. Acids, bases and salts. Carbon— different forms. Fertilizers—Natural and Artificial. Material used in the preparation of substances like Soap, Glass, Ink, Paper, Cement, Paints, Safety Matches and Gun-Powder. Elementary ideas about the structure of Atom, Atomic Equivalent and Molecular Weights, Valency.

Section ‘C’ (General Science) Difference between the living and non-living. Basis of Life—Cells, Protoplasms and Tissues. Growth and Reproduction in Plants and Animals. Elementary knowledge of Human Body and its important organs. Common Epidemics, their causes and prevention. Food—Source of Energy for man. Constituents of food, Balanced Diet. The Solar System—Meteors and Comets, Eclipses. Achievements of Eminent Scientists.

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

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

Section ‘F’ (Current Events) Knowledge of Important events that have happened in India in the recent years. Current important world events. Prominent personalities—both Indian and International including those connected with cultural activities and sports.

NOTE : Out of maximum marks assigned to part ‘B’ of this paper, questions on Sections ‘A’, ‘B’, ‘C’, ‘D’, ‘E’ and ‘F’ will carry approximately 25%, 15%, 10%, 20%, 20% and 10% weightages respectively.




After clearing the writing exam, the successful candidates are called for SSB Interview at the Service Selection Board. It is a five days interview procedure.

Day Zero : Day of Reporting

  • Reception
  • Opening address
  • Filling up of PIQ (Personal Information Questionnaire) form
  • Filling in the personal particulars in forms supplied by SSB
  • Grouping of candidates and allotment of chest numbers

Day First : Screening Test

  • Officer Intelligence Rating Test (OIR)
  • Picture Perception and Description Test (PPDT)

Day Second : Psychologial Tests and Interview

  • Thematic Apperception Test (TAT)
  • Word Association Test (WAT)
  • Situation Reaction Test (SRT)
  • Self-Description Test (SDT)
  • Interview of some candidates by President/Deputy President

Day Third : GTO Tasks and Interview

  • Group Discussions (GD)
  • Group Planning Exercise (GPE)
  • Progressive Group Task (PGT)
  • Group Obstacle Race /Snake Race (GOR)
  • Half Group Task (HGT)
  • Interview of some candidates by President/Deputy President

Day Fourth : GTO Tasks and Interview

  • Individual Obstacles (IO)
  • Lecturette
  • Command Task (CT)
  • Final Group Task (FGT)
  • Interview of the remaining candidates

Day Fifth : Final Board Conference







NDA & NA (I) 2020



NDA & NA (II) 2020



NDA & NA (I) 2019



NDA & NA (II) 2018



NDA & NA (I) 2018



NDA & NA (II) 2017



NDA & NA (I) 2017



NDA & NA (II) 2016



NDA & NA (I) 2016



NDA & NA (II) 2015



NDA & NA (I) 2015



NDA & NA (II) 2014



NDA & NA (I) 2014



NDA & NA (II) 2013



NDA & NA (I) 2013



NDA & NA (II) 2012







The approximate number of vacancies to be filled on the results of this examination will be as under:

National Defence Academy

370 to include 208 for Army,
42 for Navy and 120 for
Air (including 28 for Ground Duties)

Naval Academy
(10+2 Cadet Entry Scheme)






Best way to prepare for NDA Exam:


Now the next step is making the right strategy regarding the preparation. You can choose the below three steps to clear NDA:

1. Self-Study

2. Join any coaching for NDA or

3. Join Rajasthan Defence Academy


Let’s compare all the above choices:

1.  Many students think that they will clear NDA with self-study. In the beginning they set their goals and try of achieve it, but gradually they could not be able to be self-motivated. Also, they lack right strategy and high scoring areas. They struggle alone and many students leave their preparation in between.

2. There are many NDA coaching in Jaipur, which are advertising about their NDA preparation. But the reality is, that they are not completely dedicated for NDA. They set many targets before the candidates along with NDA. But one should understand that, NDA demands dedicated preparation. Whether it is Mathematics or General Ability Test. The questions of UPSC are never repeated. Also, the Mathematics, Physics and General Knowledge questions are way different from the other defence exams.

3.  The third option is choosing Rajasthan Defence Academy an option for NDA preparation. First of all, Rajasthan Defence Academy is a residential academy. Here, the schedule of a candidate is fixed from waking up in the morning to going to the bed. The candidates live under the observation of retired defence staffs. Here morning starts with Physical Fitness Training, regular classes of all the subjects are conducted following the UPSC pattern. After each chapter previous year paper are solved to give the idea about the changing pattern of the exam. There is provision for evening classes, since the syllabus is lengthy and it is not possible to complete is by only lip service, so according to the requirement evening classes are also conducted. Candidates are given the communication and personality Development classes too. Since the ultimate goal is not only clearing the written exam but also the SSB interview. In the evening the candidates are given the sports activities under the supervision of physical staffs. After the dinner the candidates are given time for supervised self-study for three hours.

Rajasthan Defence Academy conducts regular weekly test, to check the progress of the candidates. Every Saturday morning physical fitness test and in the evening written test is conducted. If you enquire about the tests, then it is promised by many coaching of NDA but they do not fulfil the promise. At Rajasthan Defence Academy we ensure that the papers should be conducted as per the latest pattern of NDA.

NDA exam not only requires knowledge but also stamina. Since the exam is conducted for 5 hours, which is divided into 2.5 hours for each paper of Mathematics and General Ability Test. So, sitting for 5 hours with full efficiency is not easy. Keeping this in mind, just before the exam we conduct regular mock test as per the pattern of NDA so the candidates get the idea regarding the time management.

So, if your choice is defence, the most precious thing for you is the time. The age limit for NDA is 16.5 to 19.5. A candidate completes his 10+2 today up to the age of 17 or 17.5. So, he does not have many attempts to waste. So, our suggestion is, take your decision wisely because it is well said that “well begun is half done.”

So, begin well with RDA and fulfil your goal of joining armed forces as an officer.



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