**NDA Exam Pattern Details, NDA Eligibility Criteria Details, NDA Selection Procedure Details, ****NDA Syllabus, NDA Interview Questions by SSB Services Selection Board, NDA Exam, NDA Eligibility, NDA Selection.**

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**NDA Exam Pattern Details**: Union Public Service Commission (UPSC) conducts **NDA (National defence academy)** and **National Academy (NA)** Exam (II) twice in a year for admission into Army, Navy, and Air Force Wings. Minimum Educational Qualification is 12th Class pass in **10+2 Pattern**. The UPSC NDA & NA exam pattern details are given below…

**Exam Pattern: The UPSC NDA exam comprises of 2 stages.**

**I.** Written Examination

**II.** Interview

**I. Written Examination**: There will be 2 papers in **NDA (National defence academy)** and **National Academy (NA)** written exam. The papers in all the subjects will consist of objective type questions only. The question papers of Mathematics & Part B of General Ability Test will be set bilingually in Hindi as well as English. Time duration for each paper is 2 ½ Hours. Subjects & Maximum Marks details mentioned below.

**Scheme of Examination:**

S. No |
Subjects |
Time Duration |
Maximum Marks |

1 | Mathematics | 2 ½ Hours | 300 |

2 | General Ability Test | 2 ½ Hours | 600 |

Total | 900 | ||

SSB Test/ Interview |
900 |

**i.** In the question papers, wherever necessary , questions involving the metric system of Weights and Measures only will be set.

**ii.** The Commission have discretion to fix qualifying marks in any or all the subjects at the examination

**iii.** The candidates are not permitted to use calculator or mathematical or logarithmic table for answering objective type papers.

**II. Interview**: Candidates who select in the written examination are called for Interview which is conducted by SSB.

**NDA Eligibility Criteria Details**

**NDA Eligibility Criteria**: The Examination of the NDA (National Defence Academy) & ND (National Defence) is conducted by Union Public Service Commission (UPSC) twice in a year to recruits the candidates in Army, Navy & Air Force wings of National Defence Academy. The eligible candidates apply through online and offline application mode. The eligibility details of the UPSC NDA & NA exam details given below…

**1. Nationality: **

**A candidate must be either be a**

**(i)** a citizen of India, or

**(ii).** a subject of Bhutan, or

**(iii).** a subject of Nepal, or

**(iv).** a Tibetan refugee who came ovbet ot India before the 01 January, 1962 with the intention of spermanently settling in India, or

**(v).** a Person of Indian origin who has migrated from Pakisthan, Burma, Sri Lanka and East African countires of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawim Zaire and Ethiopia or Vietnam with the intention of permanently setting 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 subjetcs of Nepal.

**2. Age**: Only the Unmarried Male Candidates born not earlier than 2nd January. 1996 and not later than 1st January, 1999 are eligible.

**Sex**: Only unmarried male candidates are eligible.

**3.** **Educational Qualifications**:

**(i) For Army wing of National Defence Academy:** 12th Class pass of the 10+2 pattern of School Education or equivalent examination conducted by a State Education Board or a University.

**(ii) For Air Force and Naval Wings of National Defence Academy and for the 10+2 Cadet Entry Scheme at the Indian Naval Academy:** 12th Class 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 10+2 Pattern of School Education or equivalent examination can also apply for this examination.

**4. Physical Standards:** Candidates must be physically fit according to physical standards for admission to National Defence Academy and Naval Academy Examination (I), 2014.

**Note:** A candidate who has resigned or withdrawn on disciplinary grounds from any of the training academies of Armed Forces is not eligible to apply.

**NDA Selection Procedure Details**

**NDA Selection Procedure Details:** Union Public Service Commission (UPSC) conducts NDA (National Defence Academy) & NA (National Academy) Exam -II. The candidates who are eligible apply through online and offline application mode. Minimum Educational Qualification is 12 th Class pass in 10+2 Pattern. The selection process is based on Written Test & Interview. The details are as follows…

**Selection Procedure:**

UPSC conducts NDA (National Defence Academy) Exam in Two Stages.

**I. Written Examination**

**II. Interview**

**I. Written Examination**: The exam will constitute 2 subjects, Maths and General Ability Test and each subject is given the time limit 2 ½ Hours, maximum marks for Maths is 300 & General ability is 600. The papers in all the subjects will consist of objective type questions only. The question papers of Mathematics & Part B of General Ability Test will be set bilingually in Hindi as well as English. The Commission has discretion to fix qualifying marks in any or all the subjects at the examination.

**II. Interview**: Qualified candidates in the written examination will be called for Interview conducted by SSB (Services selection board). For Army, Navy Wings & 10 +2 Entry Scheme candidates need to undergo Intelligence Test & Personality Test, but for Air Force Wing the candidates must attend a Pilot Aptitude Test. The Interview Consists both Intelligence and Personality Test. In interview the candidates will be put to Intelligence Tests both Verbal and Non Verbal Tests based knowledge to assess their intelligence, they will also go to Group Tests such as Group Discussions, Group Planning, Outdoor Group Tasks, and asked to give Brief Lectures on Specified Subjects.

**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 QIR Test and PP and DT.

**b. Stage II** Comprises of Interview, Group Testing Officer Tasks, Psychology Tests and the Conference. These tests are conducted over 4 days.

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 is allotted by assessors only after taking into consideration the performance of the candidate holistically in the entire test. In addition, marks for Conference are also alloted based on the initial perfomance of the caniddate in the three techniques 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”.

**N.B**: Air force given pilot aptitude test only once for the candidate’s .The test selected candidates will go to every subsequent Interview.

**NDA Syllabus**

**NDA Syllabus**: Union public service commission conducts NDA (National Defence Academy) exam twice in a year for admission to Indian Navy, Army & Air Force Wings. Minimum Educational Qualification is 12th class pass in 10+2 pattern. The examination conducts in 2 stages, written examination and interview.The details regarding Syllabus are as follows…

**Syllabus of the Examination:**

**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. Maple 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 in equations 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. 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.

3. **TRIGONOMETRY: **Angles and their measures in degrees and in radians. Trigonometrically 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 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, And 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.

**PAPER-II: GENERAL ABILITY TEST ****(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-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 Carbon dioxide, 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, Protoplasm’s 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 Civilizations. 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. Latitudes 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% weight ages respectively. Intelligence and personality test In addition to the interview the candidates will be put to Intelligence Tests both verbal and non-verbal, designed to assess their basic intelligence. They will also be put to Group Tests such as group discussions, group planning, outdoor group tasks, and asked to give brief lectures on specified subjects. All these tests are intended to judge the mental calibers of a candidate. In broad terms, this is really an assessment of not only his intellectual qualities but also his social traits and interests in current affairs.

**NDA national defence academy interview questions by SSB services selection board**

### Written vs Interview

Aspirants of NDA & NA has to be observe that the written part is a test of memory to recollect the knowledge where as interview is different. It is aimed to assess your inner personality. Do n’t go for more and more reading. Just brush up your present knowledge. Union Public Service Commission (UPSC) conducts written examination where as SSB conducts personal interview.

**How to Prepare NDA SSB Interview**

Services Selection Board (SSB) comprises of senior officers from armed forces of India. Generally aspirants search for remote data rather than brushing up their present knowledge. First of all you prepare on your bio-data. Your present residence and permanent residence places, their prominence, your schooling, your family members and their fields are basic in preparing of NDA SSB interview.

**Current Happenings around You**

The next best thing in preparation is know what is happening around you. The native state current happenings, the happenings at national level, the happenings at international level are the points to observe and brush up. Not confine to only political events around you but cover the events with social responsibility and awareness.

**Academic Knowledge**

Do n’t concentrate on learning new things at this stage. Just remember the basic concepts of your studies. Generally the Board members ask questions not to test your memory but your understanding on those concepts. Be clear in answering questions. Be brief in responding. If board members expect more, then only be elaborative on the topic asked.

**Last but not Least**

As we already pointed out it is not only test of knowledge but also test of personal qualities, be confident and clear with positive attitude.

**Best of Luck!**

The aspirants of NDA & NA are requested to post their experiences in the past and present interviews in comments section.