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CDS Study Material 2025: Get Subject & Topic-Wise Study Material

839.9k+Students Enrolled
Last Updated on April 3, 2025

The Combined Defense Service (CDS) is an exam conducted by the UPSC, to recruit eligible candidates into the- Indian Military Academy, Indian Naval Academy, the Indian Air Force Academy, and the Officers Training Academy. The CDS Exam is conducted twice a year and this year the CDS (I) 2025 exam will be conducted soon.

Aspiring candidates of the UPSC CDS Exam can find the subject and topic-wise relevant study material here in this article. The CDS Study Material shared below contains topics which have been prepared by the experts after closely examining the exam trends. So, let’s take a close look at the UPSC CDS Study Material.

Get to know how to crack CDS on the first attempt with detailed strategies and guides to prepare for your examination here.

Candidates can check out CDS Salary and Job Profile here.

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CDS Subject-Wise Study Material

The subjects included in the CDS Examination are

  • English
  • General Awareness
    • History
    • Polity
    • Geography
    • Economics
  • Mathematics 

However, candidates should note that Mathematics is for the candidates who are preparing for the Indian Military Academy, Indian Naval Academy, and the Indian Air Force Academy. Candidates can find CDS Subject & CDS Topics-wise study materials below in the article.

Enroll for NDA Online Coaching to boost your preparation.

CDS Study Material PDF

Candidates preparing for the UPSC CDS Exam can find the most comprehensive CDS Study Material PDF below for each subject and topic. Download the UPSC CDS Study Material PDF below.

Download the CDS Study Material PDF

CDS OTA Study Material 

The CDS Syllabus and Exam Pattern is same for all the candidates appearing for the CDS Examination except for the candidates of the Officer’s Training Academy (OTA). Candidates who are appearing for the CDS OTA Exam just need to study two subjects- English & General Awareness. Mathematics is exempted for the OTA Candidates. Thus, the Study Material for CDS OTA Exam only includes- English & General Awareness. 

CDS English Study Material

One of the most scoring sections in the UPSC CDS Exam is English. In this English section, 120 questions are asked for 100 marks. The time duration allotted is 120 minutes. Candidates who prepare well for the CDS English Section can definitely make an impact in the final results. Let’s see the different topics and the related CDS English Study Material. 

Topics in CDS English Exam

UPSC CDS Study Material for English

Para Jumble

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Cloze Test

Click Here

Direct & Indirect Speech

Click Here

Basics of Adverb

Click Here

Basics of Articles

Click Here

Basics of Conjunction

Click Here

Basics of Verb

Click Here

Basics of Voice

Click Here

Error Spotting

Click Here

Reading Comprehension

Click Here

Synonyms & Antonyms

Click Here

Sentence Corrections

Click Here

Fillers

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One Word Substitution

Click Here

Idioms & Phrases

Click Here

CDS General Awareness Study Material

The General Awareness section in CDS is a wide section which includes subjects such as- History, Geography, Polity, Art & Culture, Economics, and Science. Candidates can check the CDS General Awareness Study Material for each subject below. 

UPSC CDS Study Material Geography 

The CDS Geography section comprises of three sections- Indian Geography, World Geography, and Physical Geography. Let’s check the Topic-Wise CDS Geaography Study Material.

Topics in CDS Geography

CDS Geography Study Material

Video Lecture

Indian Geography

Physiographic Divisions of India

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Click Here

Drainage System in India

Click Here

Click Here

Types of Soil in India

Click Here

Click Here

Climatology

Click Here

Click Here

Natural Vegetation of India

Click Here

Click Here

World Geography

Latitudes, Longitudes, & Time

Click Here

Click Here

UPSC CDS Study Material History

History is a nightmare for many candidates due to its vastness. The History section in CDS can be divided into- Ancient, Modern, Medieval, and World History. Check the UPSC CDS Study Material for History below.

Topic-Wise

CDS History Study Material

Video Lecture

Ancient History

Indus Valley Civilization

Click Here

Click Here

Buddhism & Jainism 

Click Here

Click Here for Jainism Click Here for Buddhism

Mahajanpadas & Magadha Empire

Click Here

Click Here

Mauryan Dynasty

Click Here

Click Here

Gupta Dynasty

Click Here

Click Here

Medevial History

Delhi Sultanate

Click Here

Click Here

Mughal Empire

Click Here

Click Here

Modern History

Modern History

Click Here

Click Here

UPSC CDS Material Polity Study

Polity is an interesting subject which deals with the functioning of the institutions in the country. Not just interesting, Polity is also one of the scoring sections in the CDS General Awareness Exam. The questions asked are direct and to the point. Check the CDS Study Material for Polity below.

CDS Polity Topics

CDS Polity Study Material

Video Lecture

Salient Features of Indian Constitution

Click Here

Click Here

Preamble of Indian Constitution

Click Here

Click Here

Fundamental Rights

Click Here

Click Here

Directive Principles of State Policy

Click Here

Click Here

Executive

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Click Here

Legislature

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Click Here

Judiciary

Click Here

Click Here

UPSC CDS Study Material Science & Technology 

The Science & Tech section is divided into three sub-sections- Physics, Chemistry & Biology. The science section needs attention of the candidates as questions such as chemical equations, numericals, and chemical names are also asked. Check the UPSC CDS Science Study Material below.

Subject

CDS Science Topics

CDS Science Study Material

CDS Physics Study Material

Work, Power & Energy

Click Here

Ohm’s Law

Click Here

Magnetic Effects of Electric Current

Click Here

Laws of Motion

Click Here

Reflection & Refraction of Light

Click Here

Sound Waves

Click Here

Laws of Motion

Click Here

Laws of Thermodynamics

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Optics

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Fluid Mechanics

Click Here

Nuclear Physcis

Click Here

CDS Chemistry Study Material

Elements, Compounds, and Molecules

Click Here

States of Matter

Click Here

Chemical Reactions

Click Here

Chemical Equations

Click Here

Periodic Classification of Elements

Click Here

Structure of Atom

Click Here

Carbon Compounds

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Chemistry in Everyday Life

Click Here

Acid, Bases, & Salts

Click Here

CDS Biology Study Material

Human Reproductive System

Click Here

Environment & Ecology

Click Here

Plant & Animal Tissue

Click Here

Human Skeletal System

Click Here

Human Heart

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Human Blood

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Human Digestive System

Click Here

Human Brain

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DNA & RNA

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Animal Kingdom

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Plant Kingdom

Click Here

UPSC CDS Study Material Economics 

Candidates who want to score good in the Economics section in the CDS Examination, can find the relevant UPSC CDS Economics Study Material below.

CDS Economics Topics

CDS Economics Study Materials

Five Year Plans of India

Click Here

Reserve Bank of India

Click Here

Union Budget of India

Click Here

History of Banking in India

Click Here

Inflation in India

Click Here

Capital Market

Click Here

Macro Economics

Click Here

Micro Economics

Click Here

Economic Survey 2022

Click Here for 2022

Economic Survey 2021

Click Here for 2021

Check out CDS Eligibility Criteria here!

CDS Mathematics Study Material

Mathematics is a compulsory subject for the aspiring candidates of the CDS Exam, except for the OTA candidates. The questions are of Elementary Level and their difficulty level vary each year. Candidates can check the CDS Mathematics Study Material below.

CDS Mathematics Topics

CDS Mathematics Study Materials

Algebra

Click Here

Mensuration 2D

Click Here

Mensuration 3D

Click Here

Speed, Distance & Time

Click Here

Geometry

Click Here

Statistics

Click Here

Trigonometry 

Click Here

Simple Interest

Click Here

Compound Interest

Click Here

Time & Work

Click Here

Profit & Loss

Click Here

Number System

Click Here

Percentage

Click Here

Ratio & Proportion

Click Here

Defense & Miscellaneous Currents Affairs for CDS 

The current affairs play a vital role in the CDS Exam. This section is the most unpredictable yet the most scoring section after English. Candidates need to follow the news, go through newspapers, magazines and read the monthly current affairs compilations to have a good hold of the current affairs. To ease the task, we can shared below the links for some important CDS Current Affairs below.

CDS Current Affair Topics

CDS Current Affairs Study Material

First Women in India

Click Here

Indian Cities & Their Nicknames

Click Here

List of Indian Cities on River Bank

Click Here

Famous Indian Personalities

Click Here

International Current Affairs

Click Here

Important Days 

Click Here

Government Policies & Schemes

Click Here

Deserts

Click Here

Census

Click Here

Major Dams in India

Click Here

Awards & Honors

Click Here

Chief Ministers of India

Click Here

Governors of India

Click Here

Sports

Click Here

Ranks in Army

Click Here

Gallantry Awards

Click Here

Missiles of India

Click Here

Joint Military Exercise

Click Here

Defense 

Click Here

INS Vikramaditya

Click Here

INS Imphal

Click Here

Army Design Bureau

Click Here

NCERT Books for CDS Preparation

NCERTs are one of the most important study materials when it comes to preparing for any competitive exams. These standard books serve as the concept building books for candidates. For subjects like- History, Geography, Economics, & Science, NCERT books are considered enough for preparation. Candidates can check the class 9 to 12 NCERT Books for CDS Preparation below.

Also Check, these important CDS Study Resources,

We hope our article on CDS Study Material will be helpful for the aspiring candidates of the CDS Examination. Candidates preparing for CDS or any other exam should download the Testbook App to enhance their preparation.

Latest CDS Updates

Last updated: April 3, 2025

-> The UPSC CDS 2 Notification has been released at upsconline.gov.in. for 453 vacancies.

-> Candidates can apply online from 28th May to 17th June 2025.

-> The CDS 2 Exam will be held on 14th September 2025.

-> Attempt UPSC CDS Free Mock Test to boost your score.

-> The selection process includes Written Examination, SSB Interview, Document Verification, and Medical Examination.  

-> Refer to the CDS Previous Year Papers to enhance your preparation. 

CDS Study Material FAQS

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