National Defence Academy (NDA) is the Joint Services academy of the Indian Armed Forces. The Union Public Service Commission (UPSC) conducts the National Defence Academy (NDA) Exam every year. NDA is a nationallevel exam conducted twice a year. This is one of the most soughtafter defence jobs in India to join the Defence Forces as an Officer by the male candidates. The selection into NDA is on the basis of the written test followed by the Personality Test. NDA written examination is divided into two papers namely Mathematics and General Ability Test (GAT).
Check the important points of the NDA Syllabus and Exam Pattern in the table below.
Name of the Exam  National Defence Academy (NDA) 
Conducting Body  Union Public Service Commission, UPSC. 
Frequency Of Exam  Twice in a Year 
Selection Process 

Mode of exam  Offline 
Papers in NDA Exam 

Marks Segregation 

Total No. of Questions 

Negative Marking 

Exam Duration  2.5 Hours For Each Paper (5 hours total) 
Language of Question Paper  English & Hindi English Language paper has to be attempted in English. 
Before getting into the NDA Syllabus let us have a look at the NDA Exam Pattern. The mathematics paper have 120 questions of 300 marks and GAT will have English and GK Papers of 200 & 400 marks respectively.
Paper I Mathematics 

Total Marks  300 Marks 
Total No. of Questions  120 
Marks awarded for Correct answer  2.5 marks 
Marks deducted for the wrong answer  0.83 
Exam Duration  2.5 Hours 
PaperII General Ability Test 

Total Marks  600 marks 
Total No. of Questions  150 
No. of questions in English Section  50 
No. Of questions in General knowledge Section  100 
Maximum Marks for English  200 marks 
Maximum Marks for G.K.  400 marks 
Marks for Correct Answer  4 marks in both sections 
Marks for Incorrect Answer  1.33 marks in both sections 
Exam Duration  2.5 Hours 
After clearing the written exam of NDA, candidates have to appear for the SSB Interview rounds. The pattern of NDA Interview is as mentioned below:
NDA – SSB Interview Pattern  
Stage 1  Screening Test 

Stage 2  Psychological Test 

Group Testing Officers Test 


Personal Interview & conference  – 
After getting to know the NDA Exam Pattern it is important for the candidates to know the Syllabus of NDA Exam. The NDA Syllabus is discussed below.
The chapters covered for NDA Maths Syllabus are given in the table below.
Mathematics  
Topic  Topicwise Syllabus 
Algebra  Sets, Venn diagrams, De Morgan laws, Cartesian product, relation, equivalence relation. Real numbers, Complex numbers, Modulus, Cube roots, Conversion of a number in Binary system to Decimals, and viceversa. Arithmetic, Geometric and Harmonic progressions. Quadratic equations, Linear inequations, Permutation and Combination, Binomial theorem, and Logarithms. 
Calculus  Concept of a realvalued function, domain, range, and graph of a function. Composite functions, onetoone, onto, and inverse functions. The notion of limit, Standard limits, Continuity of functions, algebraic operations on continuous functions. Derivative of function at a point, geometrical and physical interpretation of a derivativeapplication. Derivatives of sum, product, and quotient of functions, a derivative of a function concerning another function, the derivative of a composite function. Secondorder derivatives. Increasing and decreasing functions. Application of derivatives in problems of maxima and minima 
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. 
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 differential equations, solution of the first order, and firstdegree differential equations of various types—examples. Application in problems of growth and decay. 
Trigonometry  Angles and their measures in degrees and radians. Trigonometric ratios. Trigonometric identities Sum and difference formulae. Multiple and Submultiple angles. Inverse trigonometric functions. ApplicationsHeight and distance, properties of triangles. 
Vector Algebra  Vectors in two and three dimensions, magnitude, and direction of a vector. Unit and null vectors, the 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. 
Analytical Geometry Of Two and Three Dimension  Rectangular Cartesian Coordinate system. Distance formula. Equation of a line in various forms. The angle between two lines. Distance of a point from a line. Equation of a circle in standard and a general form. Standard forms of parabola, ellipse, and hyperbola. Eccentricity and axis of a conic. Point in a threedimensional space, the 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. The angle between two lines and the angle between two planes. Equation of a sphere. 
Statistics and Probability  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 Binomial distribution. 
Topic  Questions 

Calculus  2025 
Quadratic equation  2015 
Matrices & Determinants  30 
Probability  10 
Trigonometry  30 
Complex number  1015 
The General ability test comprises two papers English and General Knowledge. The English paper consists of 200 Marks while the General Knowledge is of 400 Marks.
The question paper in English will be designed to test the candidate’s understanding of English. The syllabus covers various aspects like as given below:
Topic  No. of Questions  No. of Marks 

Spotting Errors  5  20 
Comprehension  6  24 
Selecting Words  10  40 
Ordering of Words in a Sentence  9  36 
Sentence Improvement  10  40 
Antonyms  5  20 
Synonyms  5  20 
Total  50  200 
Check the topicwise number of questions and marks distribution in the table below.
Topic  No. of Questions  No. of Marks 

Physics  23  92 
Chemistry  16  64 
General Science  11  44 
History & Freedom Movement  16  64 
Geography  17  68 
Current Events  17  68 
Total  100  400 
NDA Syllabus For Physics  

NDA Syllabus For Chemistry  

NDA Syllabus For General Science  

NDA Syllabus For History  

NDA Syllabus For Geography  

NDA Syllabus For Current Events  
Knowledge of Important events that have happened in India in recent yearsProminent personalities of both Indian and International level, Cultural activities and sports activities, Current important world events. 
The SSB procedure consists of two stages. Only those candidates who clear written exam are permitted to appear for SSB round. The details o SSB exam are given below:
NDA SSB Personality Test  

Stage I 

Stage II 

The various tests of IO, GTO, and Psychological 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.
UPSC CDS Syllabus & Exam Pattern
Q1. How many stages are there in the NDA exam?
There are two stages in the NDA exam. Each stage has a subdivision you can check the details in the article.
Q2. Who many written papers in the first stage of the NDA exam?
There are two papers in the first stage of the NDA exam. Candidates have to appear for the Mathematics and General Ability Test (GAT) papers.
Q3. How many sections are there in General Ability Test (GAT)?
The General Ability Test have is designed to test the general ability of the candidate. There are two sections English and General Knowledge.
Q4. What is the marks distribution in the NDA exam?
The NDA written exam is of 900 marks. The mathematics is of 300 marks whereas the GAT exam is of 600 marks.
Q5. Will UPSC conduct the NDA exam offline or online?
The UPSC is going to take the NDA exam in offline mode only.