Most Recent Syllabus & Exam Pattern of UPSC CDS 2023!

On December 21, 2022, the Union Public Service Commission (UPSC) will publish the Combined Defence Service (CDS) official Notification for the selection of applicants for the Indian Armed Forces. On 16th April 2023, UPSC will hold the Combined Defence Services exam at several exam locations across India. Applicants may select from the INA, IMA, AFA, and OTA categories based on their qualifications and areas of interest. Here, the specifics of them are covered.

The three papers in the CDS Examination syllabus are English, General Knowledge, and Mathematics. Anyone who wants to pass a government exam needs to be fully familiar with the syllabus. Applicants can use the CDS Exam Syllabus provided here which will help them in their preparation.

Highlights of CDS Exam Syllabus 2023

Multiple Choice Questions will be asked in the CDS Exam, which will be administered offline. View a summary of the CDS Exam in the table below.

CDS Exam Syllabus 2023

Mode of examination Offline
Sections Indian Naval Academy (INA), Air Force Academy (AFA),

Indian Military Academy (IMA),

and– (OTA) Three Officers’ Training Academy – Two

Total scores of the exam INA, IMA, and AFA – 300 points

OTA – 200 points

Type of questions MCQs
Exam Date of CDS 1 2023 February 2023
Language Supported English & Hindi
Exam Duration 120 minutes or 2 hours for each section of the exam

CDS Exam Syllabus for 2023

The CDS syllabus 2023 was designed by the concerned Central Defense Services officials to test applicants based on their intelligence, and persona. The applicants must thoroughly understand all the course requirements and study for the exam to clear it. Applicants would do better in the exam if they understood the topics covered by the UPSC CDS 2023 syllabus.

Reading comprehension, economics, vocabulary, history, percentages, number systems, and other subjects make up the CDS syllabus 2023. The applicants must read this article and make a list of the key points from the CDS syllabus for 2023. It is divided into the following divisions for INA, IAFA, and IMA posts:

  • General Knowledge
  • Elementary Mathematics
  • English

Candidates for the OTA positions are selected based on their proficiency in English and general knowledge topics.

CDS Exam Syllabus 2023- Subject-Wise Syllabus

Applicants can review the complete UPSC CDS Exam Syllabus 2023 in the table below.



  • Sentence Arrangement Questions
  • Synonyms & Antonyms
  • Ordering of Sentence
  • Spotting Errors Questions
  • Comprehension Questions
  • Fill in the blanks questions
  • Selecting Words
  • Idioms and Phrases
  • Ordering of words in a sentence
General Awareness
  • Physics
  • Politics
  • Current Affairs
  • Economics
  • Chemistry
  • History
  • Sociology
  • Geography
  • Environment
  • Defence-related Award
  • Biology
  • Sport
  • Book
  • Statement
  • Cultural
  • true/false
Elementary Mathematics Algebra
  • simple factors
  • H.C.F.
  • Remainder Theorem
  • Basic Operations
  • L.C.M.
  • Theory of polynomials
  • solutions of quadratic equations
  • relation between its roots and coefficients (Only real roots to be considered)
  • Rational expressions and conditional identities
  • Simultaneous linear inequations in two variables and their solutions

their solutions

  • Simultaneous linear equations in two unknowns—analytical and

graphical solutions


  • Set language and set notation
  • Practical problems leading to two simultaneous linear equations or

inequations in two variables or quadratic equations in one variable &

  • Laws of indices
  • Fundamental operations: addition, subtraction, multiplication, division,
  •  Square roots, Decimal fractions
  • Number System: Integers, Natural numbers, Real & Rational numbers.
  • time and distance
  • Unitary method
  • Percentages
  • time and work
  • applications to simple and compound interest
  • profit and loss
  • variation
  • ratio and proportion
  • Elementary Number Theory: Division algorithm
  • Tests of divisibility by 11, 9, 5, 4, 3, 2
  • Prime and composite numbers
  • Multiples and factors. Factorisation Theorem
  • Euclidean algorithm
  • H.C.F. and L.C.M.
  • Logarithms to base 10
  • use of logarithmic tables
  • laws of logarithms
  • Values of cos ×, sin ×,  and tan ×, for ×= 0°, 30°, 45°, 60° and 90°
  • Use of trigonometric tables
  • cosine ×, Sine ×, Tangent × when 0° < × < 90°
  • Simple trigonometric identities
  •  Simple cases of heights and distances
  • Plane and plane figures
  • Lines and angles
  • Parallel lines
  • Theorems on Properties of angles at a point
  • Congruency of triangles
  • Sides and angles of a triangle
  • Concurrence of medians and altitudes
  • Concurrence of medians and altitudes
  • sides and diagonals of a Parallelogram
  • Similar triangles
  • Rectangle and square
  • Properties of angles
  • Circles and their features including normal & tangents
  • Loci
  • Rectangles
  • triangle and circle
  •  parallelograms
  • Areas of squares
  • Surface area and volume of cuboids
  • Figures & their areas which can be split up into given figures (Field Book)
  • surface area and volume of spheres
  • lateral volume & surface of right circular cylinders & cones
  • Graphical representation frequency polygons
  • bar charts
  • histograms
  • Collection and tabulation of statistical data
  • Measures of central tendency
  • pie charts etc


OTA Syllabus of CDS Exam 2023

  • English Syllabus of OTA 2023
  • Spotting Error
  • Comprehension
  • Selecting words
  • Sentence arrangement
  • Fill up the blanks
  • Ordering of Sentence
  • Ordering of words
  • Synonyms and Antonyms
  • Idioms and Phrases

OTA General Ability Test Syllabus 2023

  • Physics
  • Current Affairs
  •  Chemistry
  • Geography
  • Biology
  • History
  • Sociology
  • Politics
  • Economics
  • Sports and Culture
  • Defence Related Awards
  • Environmental Science

Marking System of UPSC CDS Exam 2023

Negative marking may be applied to any wrongly marked response. The CDS 2023 exam has four possible responses for each question, but there is only one right response. For each incorrect response, one-third of the total scores will be deducted. You can’t tick multiple answers. No score will be deducted for unanswered questions.

Exam Pattern for UPSC CDS Exam 2023

he UPSC also specifies the 2023 CDS 1 Exam format. According to the official CDS notification, the written exam is an MCQ, objective-type test. While CDS INA/IMA/IAFA has three papers, CDS OTA has just two. Applicants should review the latest exam format. For every incorrect response, you will receive a minus mark. Check out the tables below for more information on the CDS exam format for 2023.

Exam Pattern for IMA, AFA, INA

Name of the Subject Time Maximum Scores
Mathematics 2 Hours/ 120 minutes 100
General Knowledge 2 Hours/120 minutes 100
English 2 Hours/120 minutes 100
Interview/ SSB Test 5 Days 300



 Exam Pattern for OTA

Name of the subject Time Maximum scores
English 2 Hours/120 minutes 100
General Knowledge 2 Hours/120 minutes 100
Interview/ SSB Test 5 Days 300


How to Prepare for the CDS Exam 2023?

To score exceptionally well on the exam, applicants must properly prepare for the exam. The aspirants must create a timetable to finish the complete UPSC CDS Exam syllabus in a particular time frame. We’ve made it easy for professionals to submit their CDS exam preparation suggestions in order to aid candidates in performing better on the exam.

  • It is imperative that you are familiar with the most recent CDS exam syllabus and exam format.
  • Develop an action plan in accordance, keeping in mind the most crucial subjects.
  • You must practise the CDS Previous Year Question Papers to get a better understanding of the exam pattern.
  • You must keep revising the concept you already prepared.
  • You must review the key fundamentals to develop the speed and accuracy necessary to finish the question papers in the allocated time.

Admission Card for UPSC CDS Exam 2023

The officials will make the direct link available to you for the CDS to admit card 2023. By signing in with their Registration ID and Roll No., applicants can download their CDS 2023 admission card. Verify that all of the details on the hall ticket are accurate. You could not be allowed to take the exam if there’s a discrepancy. To the exam site, all applicants must bring their admit cards.

Results for CDS 1 Exam 2023

The results for the CDS 1 Exam 2023 will be made public after one month after the completion of the exam. Applicants can check their results by going to the authorised website. They will be contacted for the SSB Interview if they passed the cut-off.

How to Check the CDS Result for 2023?

Follow the instructions listed below to check the CDS 2023 results:

  • Access the Union Public Service Commission’s official webpage.
  • Select the “Results” link from the navigation area.
  • Once you get it, simply choose the link named “UPSC CDS Result”.
  • Enter the necessary information, including your registration number and birthdate.
  • Select “Submit” from the menu.
  • Check the CDS exam result status that corresponds to your name and roll number.

Books for CDS Exam 2023 Preparation

Having access to the top study materials for the CDS exam is crucial for effective preparation. You can thus look at the recommended exam prep books for each subject listed below to begin your CDS 2023 preparation.

Subject Name CDS Preparation Books 2023
Mathematics Mathematics for CDS Examination

Quantitative Aptitude for Competitive Examinations

General Knowledge Manorama Yearbook

General Knowledge (Latest Edition)

English Word Power Made Easy

Wren & Martin’s High School English Grammar & Composition

Answer Key for the UPSC CDS Exam 2023

You will have a better understanding of how many points you might expect to get on the CDS exam once the CDS 2023 Answer Key is made available. As soon as the CDS 2023 answer key is available following the successful completion of the test, we will give the exact link to access it.

Cut Off of CDS Exam 2023

The official announcement of the outcome will coincide with the CDS 2023 Cut Off release. For the number of valid attempts, candidates taking the CDS 2023 exam must consult the cut-off from the previous year.

Steps to Check CDS 2023 Cut-Off

Follow the instructions listed below to find out the CDS Exam cut-off:

  • Visit the official website and click the link in the header menu marked “Examination.”
  • Select “Cut Off Marks” from the drop-down menu.
  • You will receive a list of the CDS 2023 qualifying scores by year.
  • You can access the PDF file for CDS 2023 by clicking on the year 2023 section. Just click it.
  • The Phase 1 or Phase 2 Cut Off Marks in a PDF format will be presented in a new window.
  • You can download the cut-off PDF for future use.

UPSC CDS Exam Mock Tests

You will be able to get good scores in the exam by taking the online CDS Mock Test. You can develop the necessary speed and accuracy to ace the examination by regularly practicing mock tests.

This course will be especially beneficial if you want to identify where you are lacking. It helps you study for the upcoming CDS 2023 exam and is an effective approach to finding knowledge gaps.

FAQs for Syllabus & Exam Pattern of UPSC CDS 2023

How many papers are there in the CDS exam 2023?

In contrast to CDS INA, IMA, and AFA, the CDS OTA exam has only two papers.

What is the mode of the CDS 2023 examination?

The CDS written test is given either online or in person. The CDS written for both the OTA and the IMA, INA, and AFA courses is completed offline.

What are the overall CDS OTA 2023 marks?

A total of 200 marks are required for the CDS OTA Exam 2023.

Is there a Math section in the CDS exam 2023?

Yes, the UPSC CDS syllabus includes a section of mathematics.

What important subjects are on the CDS Syllabus for 2023?

Applicants should review the key subjects in the CDS syllabus 2023 so they may plan their preparations appropriately. Reading comprehension, antonyms, synonyms, mensuration, profit and loss, percentage, current events, geography, history, etc. are a few crucial subjects.

What is the UPSC CDS exam’s official website?

The authorised websites for the UPSC CDS are  and

How is the CDS SSB interview round conducted?

The applicants must pass a written test before completing a personality assessment. Different types of tests are done during this interview phase, often known as the SSB, to assess a person’s personality.

  • Perception and Description of pictures test
  • A personal interview, Group testing tasks, a meeting, and a psychological test 

Do you still have any queries regarding the UPSC CDS Exam 2023? don’t hesitate to write us here. We are here to offer you the most reliable & relevant information about the UPSC CDS Exam 2023 with other information such as eligibility, selection process, application, result, admit card, answer key & more. Keep yourself updated with the latest govt jobs released through this most trustworthy online job portal.