22Mar,2021
By
Editorial
The Union Public Service Commission (UPSC) is conducting NDA I 2021 exam offering various posts like Indian Army, Navy, and Air Force. The UPSC has released a notification inviting applications for NDA I exam on the official website, @upsc.gov.in. UPSC NDA I 2021 Exam will be conducted on 18th April 2021 at selected Examination Centers across the country. The selected NDA I 2021 candidates will fill 400 NDA vacancies that have been released officially by the Union Public Service Commission.
Read here : NDA 2021 Syllabus, Exam Pattern, and Eligibility
NDA I 2021 Highlights:
| Exam name | National Defence Academy (NDA) |
|---|---|
| Conducted by | UPSC |
| Exam level | National |
| Exam category | After Class 12th |
| Frequency of exam | Twice a year |
| Exam stages | Written Test and SSB Interview |
| Exam mode | Offline |
| Exam duration | 5 hours (Mathematics: 2 ½ hours, General Ability Test (GAT): 2 ½ hours) |
| Exam syllabus | Mathematics: Algebra, Matrices and Determinants, Trigonometry, Analytical Geometry of two and three dimensions, Differential Calculus, Vector Algebra, Statistics, and Probability. General Aptitude Test: English, General Knowledge, Physics, Chemistry, General Science, Geography, Current Events, etc. |
| Exam pattern | General Aptitude Test: 150 objective type questions Mathematics: 120 objective type questions |
| Language | English and Hindi |
| Exam purpose | For admission to National Defence Academy (NDA) and Indian Naval Academy Course (INAC) |
| Test cities | 41 |
| Exam helpdesk | 011-23385271/011- 23098543/011-23381125 |
| Official website | www.upsc.gov.in |
NDA I 2021 Exam Date:
NDA is the premier defense field exam. NDA I 2021 exam is scheduled to be held on 18th April 2021 by the Union Public Service Commission. The important dates regarding the NDA 2021 exam are listed below:
| Event | Date |
|---|---|
| NDA I 2021 Notification Release Date | 30th December 2020 |
| NDA I 2021 Apply Online Start Date | 30th December 2020 |
| Last Date of Registration | 19th January 2021 |
| NDA I 2021 Admit Card release date | To be notified soon |
| NDA I 2021 Exam Date | 18th April 2021 |
| NDA I 2021 Result 2021 | To be notified soon |
NDA I 2021 Vacancy Details
Approximately, a total of 400 vacancies for NDA I 2021 notification have been rolled out officially by the UPSC. Let’s have a look at the course-wise NDA I 2021 vacancies to be filled by this examination:
| Course | Vacancy |
|---|---|
| 146th National Defence Academy (Indian Army) | 208 |
| 146th National Defence Academy (Indian Navy) | 42 |
| 146th National Defence Academy (Indian Air Force) | 120 (28 for Ground duty) |
| 108th Indian Naval Academy Course | 30 |
| Total | 400 |
NDA I 2021 Eligibility Criteria:
The official notification of the NDA 1 2021 carries the eligibility criteria to apply for the various posts under this. All the candidates applying for the NDA I 2021 exam should fulfill all the eligibility criteria for admission through the NDA examination. The selection of the candidates will purely be based on satisfying the prescribed NDA eligibility conditions, failing to which will not be allowed to participate in the recruitment process.
The NDA I 2021 eligibility criteria are described under three different stages such as age limit criteria, educational qualification, and physical standards.
Age Limit for NDA 1 2021
All the unmarried male candidates, who are born not earlier than 02nd July 2002 and not later than 1st July 2005 are eligible to apply online for NDA I 2021 exam.
Educational Qualification
| Academy | Educational Qualification |
|---|---|
| NDA Course (Indian Army) | 12th Class pass of the 10 + 2 School Education pattern or equivalent exam performed by the State Education Board or University. |
| NDA Course (Indian Navy & Indian Air Force) & 107th and 108th INAC Course | 12th Pass of the 10 + 2 School Education pattern or equivalent to Physics and Mathematics by a State Education Board or a University. |
Physical Standards
The sections below will show the different physical standards for NDA I 2021 exam:
Heights Standards
| Category | Minimum Height for Male Candidates |
|---|---|
| Tribals from Ladakh Region | 155 Cm |
| Andaman & Nicobar, Lakshadweep, and Minicoy Islands | 155 Cm |
| Gorkhas, Nepali, Assamese, Garhwali, Kumaoni, and Uttarakhand | 152 Cm |
| Bhutan, Sikkim & North East Region | 152 Cm |
Vision Standards
| Parameter | Standards : 10+2 entries, NDA(Army), TES and equivalent | Graduate & equivalent entries: CDSE, IMA, OTA, UES, NCC,TGC & equivalent |
Post graduate & equivalent entries: JAG, AEC , APS, RVC,TA, AMC, ADC, SL & equivalent |
|---|---|---|---|
| Uncorrected vision(max allowed) | 6/36 & 6/36 | 6/60 &6/60 | 3/60 & 3/60 |
| BCVA | Rt 6/6 & Lt 6/6 | Rt 6/6 & Lt 6/6 | Rt 6/6 & Lt 6/6 |
| Myopia | < -2.5 D Sph ( including max astigmatism ≤ +/- 2.0 D Cyl) |
< -3.50 D Sph ( including max astigmatism ≤ +/- 2.0 D Cyl) |
< -5.50 D Sph (including max astigmatism ≤ +/- 2.0 D Cyl) |
| Hypermetropia | <+2.5 D Sph, ( including max |
<+3.50 DSph ( including max |
<+3.50 D Sph (including max |
| astigmatism ≤ +/- 2.0 D Cyl) |
astigmatism ≤ +/- 2.0 D Cyl) |
astigmatism ≤ +/- 2.0 D Cyl) |
|
| Lasik/equivalent surgery |
Not permitted | Permitted * | Permitted* |
| Colour perception | CP-II | CP-II | CP-II |
NDA I 2021 Exam Pattern:
The candidates who are dreaming to serve the Nation can apply for the NDA I 2021 exam for the desired post. The last date to apply for the NDA I 2021 application form is 19th January 2021. Let’s get an overall idea about the NDA I 2021 exam pattern:
| Subject | Code | Duration | Maximum Marks |
|---|---|---|---|
| Mathematics | 01 | 2½ Hours | 300 |
| General Ability Test | 02 | 2½ Hours | 600 |
| Total | 5 Hours | 900 | |
| SSB Test/Interview: | 900 |
The candidates need to submit the application form with all the necessary information and the application fee. It is to be noted that the application will be valid only after submitting the application fees.
Application fee:
| Category | Fees |
|---|---|
| General/OBC | Rs. 100/- |
| SC/ST/Sons of JCOs, NCOs, ORs | Nil |
NDA I 2021 Syllabus:
Candidates will be appearing for a total of 600 marks in the NDA I 2021 exam. Questions on physics, chemistry, science, history, geography & current events will carry approximately 25%, 15%, 10%, 20%, 20%, and 10% weightage respectively.
The detailed syllabus of the NDA I exam 2021 is given below:
Paper-1: Mathematics (300 Marks)
| S.No | Chapter | Syllabus |
|---|---|---|
| 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. Arithmetic, Geometric and Harmonic progressions. Quadratic equations with real coefficients. The solution of linear inequations of two variables by graphs. Conversion of a number in decimal system to binary system and vice-versa. Permutation and Combination. Binomial theorem and its applications. Logarithms and their applications. | ||
| 2 | Matrices and 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. Types of matrices, operations on matrices. The determinant of a matrix, basic properties of determinants. |
| 3 | Trigonometry | Angles and their measures in degrees and radians. Trigonometrical ratios. Inverse trigonometric functions. Applications-Height and distance, properties of triangles. Trigonometric identities Sum and difference formulae. Multiple and Sub-multiple angles. |
| 4 | Analytical Geometry Of Two and Three Dimensions | Equation of a circle in standard and general form. Standard forms of parabola, ellipse, and hyperbola. Eccentricity and axis of a conic. The point in a three-dimensional space, distance between two points. Direction Cosines and direction ratios. Rectangular Cartesian Coordinate system. Distance formula. Equation of a line in various forms. The angle between two lines. The distance of a point from a line. Equation two points. Direction Cosines and direction ratios. Equation of a plane and a line in various forms. The angle between two lines and the angle between two planes. Equation of a sphere. |
| 5 | Differential Calculus | 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-application. Concept of a real-valued function–domain, range, and graph of a function. Composite functions, one-to-one, onto, and inverse functions. Derivatives of sum, product, and quotient of functions, a 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 | Evaluation of definite integrals—determination of areas of plane regions bounded by curves—applications. Integration as inverse of differentiation, integration by substitution and by parts, standard integrals involving algebraic expressions, trigonometric, exponential, and hyperbolic functions. |
| General and particular solution of differential equations, solution of the first order, and first-degree differential equations of various types—examples. Application in problems of growth and decay. Definition of order and degree of a differential equation, formation of a differential equation by examples. | ||
| 7 | Vector Algebra | Vectors in two and three dimensions, magnitude, and direction of a vector. Vector product or cross product of two vectors. Applications—work done by a force and moment of a force and in geometrical problems. Unit and null vectors, the addition of vectors, scalar multiplication of a vector, scalar product or dot product of two vectors. |
| 8 | Statistics and Probability | Statistics: Classification of data, Frequency distribution, cumulative frequency distribution - examples. Measures of Central tendency—Mean, median and mode. Variance and standard deviation determination and comparison. Correlation and regression. Graphical representation - Histogram, Pie Chart, frequency polygon—examples. |
| Random variable as function on a sample space. Binomial distribution, examples of random experiments giving rise to Binominal distribution. Probability: Random experiment, outcomes and associated sample space, events, mutually exclusive and exhaustive events, impossible and certain events. Definition of probability—classical and statistical—examples. Elementary theorems on probability—simple problems. Union and Intersection of events. Complementary, elementary and composite events. Conditional probability, Bayes’ theorem—simple problems. |
Paper-2: General Mental Ability Test (600 Marks)
| Parts | Chapter | Syllabus |
|---|---|---|
| Part A (200 Marks) |
ENGLISH | The syllabus covers various aspects like: Grammar and usage, vocabulary, comprehension and cohesion in extended text to test the candidate’s proficiency in English. The question paper in English will be designed to test the candidate's understanding of English and workmanlike use of words |
PART B
| GENERAL KNOWLEDGE (GK) | The question paper on General Knowledge will broadly cover the subjects: Physics, Chemistry, General Science, Social Studies, Geography and Current Events. | |
| Part B (100 Marks out of 400 Marks) |
Section ‘A’ of GK (Physics) | Physical Properties and States of Matter, Density and Specific Gravity, Mass, Weight, Volume, Principle of Archimedes, Pressure Barometer. |
| 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. 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. |
||
| Natural and Artificial Magnets, Properties of a Magnet, Earth as a Magnet. |
||
| Static and Current Electricity, Simple Electrical Circuits, Heating, Lighting and Magnetic effects of Current, conductors and Non-conductors, Ohm’s Law, Measurement of Electrical Power, Primary and Secondary Cells, Use of X-Rays. |
||
| General Principles in the working of the following: Simple Pendulum, Gramophone, Telegraphs, Telephone, Periscope, Simple Pulleys, Siphon, Levers, Balloon, Pumps, Hydrometer, Pressure Cooker, Thermos Flask, Telescope, Microscope, Mariner’s Compass; Lightening Conductors, Safety Fuses |
||
| Part B (60 Marks out of 400 Marks) |
Section ‘B’ (Chemistry) | Physical and Chemical changes. Law of Chemical Combination (excluding problems). Properties of Air and Water. Elements, Mixtures and Compounds, Symbols, Formulae and simple Chemical Equations, |
| Preparation and Properties of Hydrogen, Oxygen, Nitrogen and Carbondioxide, Oxidation and Reduction. Fertilizers—Natural and Artificial. Material used in the preparation of substances like Soap, Safety Matches and Gun-Powder. Elementary ideas about the structure of Atom, Glass, Ink, Paper, Cement, Paints, Atomic Equivalent and Molecular Weights, Valency. Acids, bases and salts. Carbon - different forms. | ||
| Part B (40 Marks out of 400 Marks) |
Section ‘C’ (General Science) | Growth and Reproduction in Plants and Animals. Difference between the living and non-living. Basis of Life—Cells, Protoplasms and Tissues. |
| Elementary knowledge of Human Body and its important organs. Common Epidemics, their causes and prevention. |
||
| Food—Source of Energy for man. The Solar System—Meteors and Comets, Eclipses. Achievements of Eminent Scientists. Constituents of food, Balanced Diet. |
||
| Part B (80 Marks out of 400 Marks) |
Section ‘D’ (History, Freedom Movement etc.) | Bhoodan, Sarvodaya, National Integration and Welfare State, Basic Teachings of Mahatma Gandhi. Freedom Movement in India. Elementary study of Indian Constitution and Administration. Elementary knowledge of Five Year Plans of India. A broad survey of Indian History, with emphasis on Culture and Civilisation. Panchayati Raj, Co-operatives and Community Development. |
| French Revolution, Industrial Revolution and Russian Revolution. Impact of Science and Technology on Society. Forces shaping the modern world; Renaissance, Exploration and Discovery; War of American Independence. Concept of one World, United Nations, Panchsheel, Democracy, Socialism and Communism. Role of India in the present world. | ||
| Part B (80 Marks out of 400 Marks) |
Section ‘E’ (Geography) | Mineral and Power resources; location and distribution of agricultural and Industrial activities. The Earth, its shape and size. Lattitudes and Longitudes, Concept of time. International Date Line. 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. Movements of Earth and their effects. Origin of Earth. Rocks and their classification; Weathering-Mechanical and Chemical, Earthquakes and Volcanoes. Regional Geography of India—Climate, Natural vegetation. Important Sea ports and main sea, land and air routes of India. Main items of Imports and Exports of India. |
| Part B (40 Marks out of 400 Marks) |
Section ‘F’ (Current Events) | Current important world events. 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. |
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