The NDA exam is conducted by UPSC for admission to the Army, Navy and Air Force wings of the NDA. This exam is a gateway for candidates looking forward to joining Defence Forces including Army, Navy and Air Force.

This is a national level exam conducted twice a year: NDA I and NDA II to help candidates make a career in Defence services. NDA Exam 2020 schedules for NDA I and NDA II exam has already been released by UPSC.

National Defence Academy & Naval Academy Examination 2020 will be a two-step process where candidates first need to take the exam and then qualify the SSB interview conducted by the Service Selection Board.

NDA I 2020 will be held on April 19, 2020, while NDA II will be conducted on September 06, 2020. So, candidates planning to take the exam should fill the application form before the last date and start preparation of NDA & NA 2020 exam.


The UPSC is solely responsible for issuing guidelines for selection and the final conduct of the entrance examination.


NDA & NA (I) 2020


The Commission has released the NDA & NA (I) 2020 notification on January 8. The online applications will be accepted until January 28, 2020. The notification was released for admission to the Army, Navy and Air Force wings of the NDA for the 143rd Course, and for the 105th Indian Naval Academy Course (INAC) commencing from January 2, 2020. The number of vacancies are given below for NDA & NA (I) 2020. 


NDA & NA (I) 2020 Vacancies National Defence Academy 370 (208 for Army, 42 for Navy and 120 for Air Force) Naval Academy 50 Total 418


Note: Candidates should note that the 120 vacancies under Air Force including 28 for Ground Duties. 


NDA & NA (II) 2020


The Commission will release the NDA & NA (II) 2020 notification on June 6. The online applications will be accepted until June 30, 2020. The notification will be released for admission to the Army, Navy and Air Force wings of the NDA for the 144th Course, and for the 106th Indian Naval Academy Course (INAC) commencing in 2020. The approximate number of vacancies are given below for NDA & NA (II) 2020. 


NDA & NA (I) 2020 Vacancies National Defence Academy 308 (208 for Army, 42 for Navy and 58 for Air Force) Naval Academy 55 Total 363


NDA Notification 2020 


Every year, the UPSC releases the NDA exam notification to shortlist the candidates for the courses in National Defence Academy (NDA) and Naval Academy (NA). Candidates who are aspiring for the Defence Services are advised to download NDA notification pdf. The recruitment NDA exam notification contains all the details such as application process, eligibility, exam pattern and selection process. 


NDA Notification 2020  Date Download Link NDA Notification (1) 2020  January 8, 2020 Click Here NDA Notification (2) 2020  June 10, 2020 Click Here


NDA Application Form 2020 


The first step of the selection process will begin with the NDA registration. After checking all the details meticulously in the NDA notification, candidates should start registering for the exam. The NDA exam application form will be available only on the official website of the UPSC. Candidates are advised to explore the complete details about NDA application form steps below.  


Visit the official website of UPSC.

Go to the ''Apply Online'' tab.

Select the ''Online Application for Various Examinations''.


Start the NDA registration process with Part-I.

Fill-up all the details.

Pay the NDA application fee. 

Upload the scanned photograph and signature. 

Agree to the declaration. 

Submit the application. 

Download the NDA application form for future reference. 


Eligibility Criteria


Physical Criteria

Candidates must be physically and mentally fit for admission to National Defence Academy (NDA) and Naval Academy (NA) Examination (I) & (II), 2020. Every year, many candidates fail to qualify in the medical test. Hence, candidates are advised to get themselves medically examined before applying for the examination. 

Aspirants are also advised to rectify a few minor defects/ ailments such as Wax (ears), Deviated Nasal Septum, Hydrocele/Phimosis, Overweight/Underweight, Under Sized Chest, Piles, Tonsillitis and Varicocele. 


Height And Weight Standard


The minimum acceptable height is 157 cms (162.5 cms for Air Force). The minimum height is relaxed by 5 cms for Gorkhas and individuals belonging to hills of North-Eastern regions of India, Garhwal and Kumaon. However, the minimum height is reduced by 2 cms for candidates belonging to Lakshadweep.                           


Height/ Weight Standards - Army/ Air Force

Height in Centimetres (without shoes)                   Weight in Kgs   16-17 years 17-18 years 18-19 years 152  42.5 44  45  155 43.5  45.3  47  157 45  47  48  160 46.5  48  49  162 48  50  51  165 50  52  53  167 51  53  54  170 52.5  55  56  173 54  57  58  175 56  59  60  178 58  61  62  180 60  63  64.5  183 62.5  65  66.5 




Height/ Weight Standards - Navy Height in Centimetres (without shoes)                   Weight in Kgs   16 years 17 years 18 years 152 44 45 46 155 45 46 47 157 46 47 49 160 47 48 50 162 48 50 52 165 50 52 53 168 52 53 55 170 53 55 57 173 55 57 59 175 57 59 61 178 59 61 62 180 61 63 64 183 63 65 67


Candidates have to meet the special requirement as a pilot in the Air Force. The acceptable measurements of leg length, thigh length and sitting height are given below   

Minimum  Maximum  Leg Length 99.00 cms 120.00 cms Thigh Length - 64.00 cms Sitting Height 81.50 cms 96.00 cms


Vision Standard 


Naval Candidates

Uncorrected without glass 6/6, 6/9

Corrected with glass 6/6, 6/6 

Limits of Myopia –0.75

Limits of Hypermetropia +1.5

Binocular vision III

Limits of colour perception I 


Air Force Candidates

Candidates who are wearing spectacles habitually are not eligible for Air Force. According to the official sources, the minimum distant vision 6/6 in one eye and 6/9 in other, correctable to 6/6 only for Hypermetropia. Colour vision CP-I Hypermetropia: +2.0 D Sph Manifest Myopia : Nil Retinoscopic Myopia : 0.5 in any Meridian permitted Astigmatism : + 0.75 D Cyl (within + 2.0 D.Max) Maddox Rod Test. 


at 6 meters Exo-6 prism D at 33 cms Exo-16 prism D Eso-6 prism D Eso-6 prism D Hyper-1 prism D Hyper-1 prism D Hypro-1 prism D Hypo-1 prism D


Physical Conditioning 


The aspiring candidates are advised to be in the good physical condition by following the routine mentioned below. 


1. Running 2.4 km in 15 minutes

2. Skipping

3. Pushups and sit ups (minimum 20 each)

4. Chin ups (minimum 08)

5. Rope climbing 3-4 metres. 




A candidate must be either:

(i) a Citizen of India, or

(ii) a subject of Nepal, or

(iii) a subject of Bhutan, or

(iv) a Tibetan refugee who came over to India before January 1, 1962, with the intention of permanently settling in India, or

(v) a person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka or East African Countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire, and Ethiopia or from Vietnam with the intention of permanently settling in India.



Provided that a candidate belonging to categories (ii), (iii), (iv) and (v) above shall be a person in whose favour a certificate of eligibility has been issued by the Government of India.


Certificate of eligibility will not, however, be necessary in the case of candidates who are Gorkha subjects of Nepal.


Educational Qualification:


1. For Army Wing of National Defence Academy:   

The candidates must have the Class 12 pass of the 10+2 pattern of School Education or equivalent examination conducted by a State Education Board or a University.


2. For Air Force and Naval Wings of National Defence Academy and for the 10+2 Cadet Entry Scheme at the Indian Naval Academy:     


The candidates must have the Class 12 pass of the 10+2 pattern of School Education or equivalent with Physics and Mathematics conducted by a State Education Board or a University.



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. Such candidates who qualify the SSB interview but could not produce Matriculation/10+2 or equivalent certificate in original at the time of SSB interview should forward duly self-attested Photocopies.


Candidates appearing in the 11th class exam are not eligible for this examination. 

Those candidates who have yet to qualify in the 12th class or equivalent examination and are allowed to appear in the UPSC Examination should note that this is only a special concession given to them. They are required to submit proof of passing the 12th class or equivalent examination by the prescribed date of UPSC (i.e. for NDA (I) is December 24, 2019, and for NDA (II) is June 24, 2020) and no request for extending this date will be entertained on the grounds of late conduct of Board/University Examination, delay in declaration of results or any other ground whatsoever.


Candidates who are debarred by the Ministry of Defence from holding any type of Commission in the Defence Services shall not be eligible for admission to the examination and if admitted, their candidature will be cancelled.


Those candidates who have failed INSB/PABT earlier are not eligible for Air Force


Age Limit:


Age Limits, Sex and Marital Status:


For NDA & NA (I):

Age Limit:


Only unmarried male candidates born not earlier than July 2, 2000, and not later than July 1, 2003, are eligible.


For NDA & NA (II):

Age Limit:


Only unmarried male candidates born not earlier than January 2, 2001, and not later than January 1, 2004, are eligible.



The date of birth accepted by the Commission is that entered in the Matriculation or Secondary School Leaving Certificate or in a certificate recognised by an Indian University as equivalent to Matriculation or in an extract from a Register of Matriculates maintained by a University which must be certified by the proper authority of the University or in the Higher Secondary or an equivalent examination certificates.  


Candidates should note that only the date of birth as recorded in the Matriculation/Higher Secondary Examination Certificate available or an equivalent certificate on the date of submission of applications will be accepted by the Commission and no subsequent request for its change will be considered or granted.


Candidates should also note that once a date of birth has been claimed by them and entered in the records of the Commission for the purpose of admission to an examination, no change will be allowed subsequently or at any subsequent examination on any ground whatsoever.

The candidates should exercise due care while entering their date of birth in the respective column of the Online Application Form for the examination. If on verification at any subsequent stage any variation is found in their date of birth from the one entered in their matriculation or equivalent examination certificate, disciplinary action will be taken against them by the Commission under the Rules.


Candidates must undertake not to marry until they complete their full training. A candidate who marries subsequent to the date of his application though successful at this or any subsequent Examination will not be selected for training. A candidate who marries during training shall be discharged and will be liable to refund all expenditure incurred on him by the Government.


National Defence Academy & Naval Academy Examination (I) & (II) Syllabus 2020





MATHEMATICS (Code No. 1) (Maximum Marks – 300)



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 liner inequations of two variables by graphs. Permutation and Combination. Binomial theorem and its applications. Logarithms and their applications.



Types of matrices, operations on matrices. 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.



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.



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 anothe function, derivative of a composite function. Second order derivatives. Increasing and decreasing functions. Application of derivatives in problems of maxima and minima. www.careerindia.com



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 adifferential equations, solution of first order and first degree differential equations of various types – examples. Application in problems of growth and decay.



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 movement of a force and in geometrical problems.



Statistics : Classification of data, Frequency distribution, cumulative frequency distribution – examples. Graphical representation – Histogram, Pie Chart, frequency polugon – 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 spaces, 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.





(Code No. 02) (Maximum Marks – 600)

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 – 200)

The question paper on General Knowledge will boardly 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 State of Matter, Mass, Weight, Volume, Density and Specific Gravity, Principle of Archimedes, Pressure Barometer.


Mation 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 Electrictiy, 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. Impace of www.careerindia.com 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.


Intelligence and Personality Test. The SSB procedure consists of two stage selection process – Stage I and Stage II. Only those candidates who clear the stage I are permitted to appear for Stage II. The details are :


(A) Stage I comprises of Officer Intelligence Rating (OIR) tests are Picture Perception * Description Test (PP&DT). The Candidates will be shortlisted based on combination of performance in OIR Test and PP&DT.


(B) Stage II Comprises of Interview, Group Testing Officer Tasks, Psychology Tests and the Conference. These tests are conducted over 4 days. The details of these tests are given on the website joinindianarmy.nic.in.


The personality of a candidate is assessed by three different assessors viz. The Interviewing Officer (IO), Group Testing Officer (GTO) and the Psychologist. There are no separate weightage for each test. The mks are allotted by assessors only after taking into consideration the performance of the candidate holistically in all the test. In addition, marks for Conference are also allotted based on the initial performance of the Candidate in the three technique and decision of the Board. All these have equal weightage.


The various tests of IO, GTO and Psych are designed to bring out the presence / absence of Officer Like Qualities and their trainability in a candidate. Accordingly candidates are Recommended or Not Recommended at the SSB.

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