HomeSyllabusUPSC CDS 1 Syllabus 2023 PDF Download | Check Exam Pattern

UPSC CDS 1 Syllabus 2023 PDF Download | Check Exam Pattern

UPSC CDS 1 Syllabus 2023 PDF Download: Check Exam Pattern – Dear Students, The UPSC CDS 1 Exam Syllabus 2023 PDF has been released on the official website. So, all the candidates can download the UPSC CDS 1 Syllabus 2023 through the direct link attached. Besides, you will find the complete details of the UPSC CDS 1 Selection Process 2023 and the UPSC CDS 1 Exam Pattern 2023 in the below sections.

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UPSC CDS 1 Syllabus & Exam Pattern 2023 – Overview

Board Name Union Public Service Commission (UPSC)
Post Name Combined Defence Services Exam I
Category Syllabus
Job Location India
Selection Process
Official Website

UPSC CDS 1 Exam Pattern 2023

The UPSC CDS 1 question paper of the recruitment test will be 300 questions with a Maximum mark of 300 marks and All questions carry equal marks. The Exam duration of the UPSC CDS 1 paper will be 6 Hours. for each wrong answer, – marks will be deducted. Below the given table is for the UPSC CDS 1 Exam Pattern 2023.

Admission to Indian Military Academy, Indian Naval Academy, and Air Force Academy

  • Total Question – 300 Questions
  • Total Marks – 300 marks
  • Exam Duration – 6 Hours
  • Language –
  • Mode of Exam – Objective Type Questions
  • Negative Marking –
Name of the Subject Time Duration Marks
English 2 Hours 100
General Knowledge 2 Hours 100
Elementary Mathematics 2 Hours 100

Officers Training Academy

Subjects Time Duration Marks
English 2 Hours 100
General Knowledge 2 Hours 100
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UPSC CDS 1 Salary  

Subject Wise – UPSC CDS 1 Syllabus 2023

UPSC CDS 1 Syllabus For English

The question paper will be designed to test the candidates’ understanding of
English and workmanlike use of words.

UPSC CDS 1 General Knowledge Syllabus

General Knowledge including knowledge of current events and of such matters of everyday observation and experience in their scientific aspects as may be expected of an educated person who has not made a special study of any scientific subject. The paper will also include questions on History of India and Geography of a nature which candidate should be able to answer without special study.

CDS 1 Syllabus 2023 For Elementary Mathematics


  • Number System—Natural numbers, Integers, Rational and Real numbers. Fundamental operations, addition, substraction, multiplication, division, Square roots, Decimal fractions. Unitary method, time and distance, time and work, percentages, applications to simple and compound interest, profit and loss, ratio and proportion, variation.
  • Elementary Number Theory—Division algorithm. Prime and composite numbers. Tests of divisibility by 2, 3, 4, 5, 9 and 11. Multiples and factors. Factorisation Theorem. H.C.F. and L.C.M. Euclidean algorithm. Logarithms to base 10, laws of logarithms, use of logarithmic tables.


Basic Operations, simple factors, Remainder Theorem, H.C.F., L.C.M., Theory of polynomials, solutions of quadratic equations, relation between its roots and coefficients (Only real roots to be considered). Simultaneous linear equations in two unknowns—analytical and graphical solutions. Simultaneous linear inequations in two variables and their solutions. Practical problems leading to two simultaneous linear equations or inequations in two variables or quadratic equations in one variable & their solutions. Set language and set notation, Rational expressions and conditional identities, Laws of indices.


Sine ×, cosine ×, Tangent × when 0° < × < 90° Values of sin ×, cos × and tan ×, for × = 0°, 30°, 45°, 60° and 90° Simple trigonometric identities. Use of trigonometric tables. Simple cases of heights and distances.


Lines and angles, Plane and plane figures, Theorems on (i) Properties of angles at a point, (ii) Parallel lines, (iii) Sides and angles of a triangle, (iv) Congruency of triangles, (v) Similar triangles, (vi) Concurrence of medians and altitudes, (vii) Properties of angles, sides and diagonals of a parallelogram, rectangle and square, (viii) Circles and its properties including tangents and normals, (ix) Loci.


Areas of squares, rectangles, parallelograms, triangle and circle. Areas of figures which can be split up into these figures (Field Book), Surface area and volume of cuboids, lateral surface and volume of right circular cones and cylinders, surface area and volume of spheres.


Collection and tabulation of statistical data, Graphical representation frequency polygons, histograms, bar charts, pie charts etc. Measures of central tendency.

UPSC CDS 1 Syllabus 2023 – Download Link

Download UPSC CDS 1 Syllabus 2023 & Exam Pattern PDF Click Here

UPSC CDS 1 Syllabus 2023 – FAQs

Q.1 For how many marks, UPSC CDS 1 Exam will be held?

UPSC CDS 1 Exam will be held for 160 Marks.

Q.2 Who is conducting the UPSC CDS 1 Exam?

The officials of the Union Public Service Commission (UPSC) are conducting the UPSC CDS 1 Exam.

Q.3 What is the Exam duration for UPSC CDS 1 Exam?

The Exam duration for UPSC CDS 1 Exam is 90 minutes.

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