About UPSC NDA & NA (I) 2021
UPSC NDA & NA (I) 2021
The Union Public Service Commission (UPSC) has released the NDA & NA (I) Exam 2021 notification on December 30, 2020. The NDA & NA (I) exam is going to be held on 18 April, 2021 and NDA & NA (II) on September 5, 2021. Those Candidates interested should read further to go through UPSC NDA & NA (I) 2021 Notification , Eligibility Criteria, Vacancy, Selection Process, Exam Pattern, Online Apply, and other necessary details is available below for your reference.
UPSC
NDA & NA (I) Recruitment 2021 

Organization 
HARYANA STAFF SELECTION COMMISSION 
Posts 
NDA & NA I, II Exam 2021 
Start Application Date 
30 December 2020 to 19 January 2021 
Job Location 
All india 
Total Post 
400 
Job category 
Govt 
Official Site 

UPSC NDA & NA (I)
2021 Recruitment Exam:
The Notification exam has been
released by UPSC Recruitment .The table mentioned below consists of all the
important dates related UPSC
NDA & NA (I) 2021 Exam.
UPSC NDA & NA (I) 2021
Recruitment Recruitment Important
Dates 

Events 
Dates 
Notification Date 
30 December 2020 
Starting Date for Apply Online 
30 December 2020 
Closing Date for Apply Online 
19 January 2021 
UPSC NDA NA 1
Exam Date 
18 April 2021 
UPSC NDA & NA (I) Recruitment 2021 Application Fee, Payment mode
Application Fee &
Payment mode 

For General / OBC Candidates
application fee 
100/ 
For SC/ ST Candidates
application fee 
Nill/ 
Payment Mode: . 
Through Net Banking, Debit Card, Credit Card
or Pay the Exam Fee Through Cash E Challan Fee Mode Submit the Exam Fee at
State Bank of India SBI Any Branches in India. 
UPSC NDA 2021 Selection Procedure
The selection will be done on the basis of performance in
Written Test (900 Marks) and SSB Interview/Personality Test (900 Marks).
UPSC NDA Exam Pattern 2021
There will be objectivetype questions on:
Subject 
No. of Questions 
Marks 
Time 
Maths (Post Code  01) 
120 
300 
2 Hours & 30 Minutes 
General Ability Test (Post Code  02) 
150 
600 
2 Hours & 30 Minutes 
There will Negative Marking for
wrong answers marked
UPSC NDA Syllabus
2021
Part 1  Mathematics:
MATRICES AND DETERMINANTS : Types of matrices, operations on
matrices. Determinant of a matrix, basic properties of determinants. Adjoint
and inverse of a square matrix, ApplicationsSolution 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 Submultiple angles. Inverse trigonometric functions.
ApplicationsHeight and distance, properties of triangles.
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.
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. 20 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.
PAPER 2  General Ability Test:
Part ‘A’—ENGLISH
(Maximum Marks—200)  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)  There will be questions on following
subjects:
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 XRays. 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.
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 GunPowder. Elementary
ideas about the structure of Atom, Atomic Equivalent and Molecular Weights,
Valency.
General Science: Difference between the living and
nonliving. 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.
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, Cooperatives 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.
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 Anticyclones; 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.
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
UPSC
NDA & NA (I) 2021 Recruitment Online
Apply Form
The online UPSC NDA & NA (I) 2021 Recruitment is active on 30 December 2020. Candidates who wish to apply for UPSC NDA & NA (I) 2021 Recruitment apply till 19th January 2021 .Before proceeding with the registration and application process, all candidates are requested to read the full Notification, all eligibility criteria and detail about UPSC NDA & NA (I) 2021 Application.
Apply Online 