Young aspirants generally mail us asking, what is NDA exam, what are its eligibility criteria, what is the required educational qualification for NDA. In this article we will discuss about nda exam eligibility.
What is NDA exam eligibility
Any candidate who has just cleared his intermediate or appearing in intermediate final year can write NDA (National Defence Academy) exam, but the candidates applying for NDA exam must fulfil the required eligibility conditions.
NDA exam eligibility:
- Age Limit, Sex and Marital Status: Only unmarried male candidate whose age lies between 16(1/2) to 19(1/2) years at the time of course commencement will fall under the correct category of nda exam eligibility.
- Educational Qualification:
- 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 candidate’s fall under the correct category of nda exam eligibility.
- 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 or appearing of the 10+2 pattern of School Education or equivalent with Physics and Mathematics conducted by a State Education Board or a University candidate’s fall under the correct category of nda exam eligibility.
- Nationality: To fall under the correct category of nda exam eligibility, candidate must be either – A citizen of India, or a subject of Nepal, or a subject of Bhutan, or a Tibetan refugee who came over to India before 1st January, 1962 with the intention of permanently settling in India. or a person of Indian origin who has migrated from Pakistan, Burma, Srilanka, East African countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire, Ethiopia and Vietnam with the intention of permanently settling in India.
- Provided that a candidate belonging to categories in above mentioned paragraph 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.
- Physical Standards: Candidates must be physically fit according to NDA physical standards for National Defence Academy admission to National Defence Academy and Naval Academy Examination as per the nda exam eligibility guidelines of
 Following defects or ailments should not found in a candidate otherwise he will fail the nda exam eligibility criteria:
- Wax ( Ears )
- Deviated Nasal Septum
- Hydrocele / Phimosis
- Overweight / Underweight
- Under sized Chest
- Piles
- Gynaecomastia
- Tonsillitis
- Varicocele
NDA Height / Weight Standards for Indian Army / Indian Air Force
 
Height / Weight Standards for Indian Navy
- Permanent body tattoos are only permitted on inner face of forearm
- Visual Standard for Army – NDA exam eligibility:
- candidate should be able to read in a distant vision chart 6/6 in better eye and 6/9 in worse eye with or without glasses.
- Myopia should not be more than 2.5 D and hyper-metropia not more than 3.5 D
- CPIII colour vision for Army
- Visual Standard for Navy – NDA exam eligibility:
- Uncorrected without glass – 6/6, 6/9
- Corrected with glass – 6/6, 6/6
- Limits of Myopia – -0.75
- Limits of Hyper-metropia – +1.5
- Visual Standard for Air force – NDA exam eligibility:
- Minimum distant vision 6/6 in one eye and 6/9 in other
- Colour vision CP – I
- Retinoscopic Myopia : – 0.5 in any Meridian permitted
NDA exam syllabus:
Candidates who have proven their nda exam eligibility and successfully applied for the NDA written exam have to prepare on the following topics:
NDA Paper 1 Mathematics syllabus:
- Algebra
Concept of a 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.
- 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.
- 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.
- Analytical Geometry – 2D and 3D
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.
- 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.
- 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
- 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.
- 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.
NDA Paper 1 General Ability:
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.
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 Nonconductors, 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 – 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.
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 nonliving.
- 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 Civilization.
- 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.
