The Union Public Service Commission or UPSC conducts the Combined Defence Services (CDS) Examination twice every year to recruit eligible graduates as commissioned officers in the Indian Armed Forces. Hence, many candidates prepare for it, and an important part of the preparation is knowing the UPSC CDS syllabus.
This is because the written examination tests candidates in a range of subjects depending on the academy they choose. Therefore, today, we share a detailed breakdown of UPSC CDS syllabus that every aspirant appearing in 2027 must know.
UPSC CDS Exam Pattern
Before delving into the UPSC CDS syllabus, let us briefly understand the pattern of the written exam. To be sure, the CDS written examination consists of objective-type questions. The examination pattern differs for IMA, INA, AFA and OTA.
Hence, the papers that you will be administered will depend on your academy preference, with women only being eligible for OTA entry.
| Paper | IMA, INA and AFA | OTA |
|---|---|---|
| English | 100 marks | 100 marks |
| General Knowledge | 100 marks | 100 marks |
| Elementary Mathematics | 100 marks | Not applicable |
| Total | 300 marks | 200 marks |
Each paper is conducted for a maximum of two hours. Candidates appearing for IMA, INA and AFA must attempt all three papers, while OTA candidates are required to attempt English and General Knowledge only.
Those who qualify the written examination are called for the Services Selection Board (SSB) interview at one of the selection centres, depending on their academy choice.
UPSC CDS Syllabus
Finally, we come to the main question, “What is the complete UPSC CDS syllabus?” As we have told you already, the syllabus differs based on your academy preference. Hence, we have divided it into three sections for your convenience.
Paper I: English
The English paper forms the first paper in the UPSC CDS syllabus. It evaluates candidates’ understanding of the language, vocabulary, grammar and practical usage of words. The major topics that are covered in Paper I are:
- Reading comprehension
- Synonyms and antonyms
- Spotting errors
- Sentence improvement
- Fill in the blanks
- Ordering of words and sentences
- Sentence completion
- Idioms and phrases
- Vocabulary and correct word usage
- Basic grammar and sentence structure
Candidates should try to perform well in English, as it acts as a marks booster and is instrumental in clearing the CDS Exam. Hence, regular reading, vocabulary revision and solving previous years’ question papers can help candidates improve their accuracy and speed.
Paper II: General Knowledge
The next paper that is conducted as per the UPSC CDS syllabus is that of General Knowledge. This paper assesses a candidate’s awareness of current affairs, history, geography and scientific developments. The major topics include:
- History: Ancient, medieval and modern Indian history, the Indian freedom struggle, important historical events and personalities.
- Geography: Physical geography, climate, rivers, mountains, natural resources, agriculture, Indian geography and world geography.
- Polity: The Indian Constitution, fundamental rights and duties, Parliament, the President, the Prime Minister, the judiciary and constitutional institutions.
- Economy: Basic economic concepts, national income, inflation, banking, the Union Budget and important economic developments.
- General Science: Fundamental concepts of physics, chemistry and biology, human physiology, everyday scientific phenomena and environmental science.
- Current Affairs: National and international events, defence exercises, military developments, important appointments, awards, sports, science and technology, and major government initiatives.
Candidates should try to keep their overall score above 20 marks in this paper to qualify the sectional cut off. Also, you can analyze previous years’ questions to understand the important topics.
Similarly, you must follow reliable current affairs sources and revise static GK regularly to be able to answer the statement-based questions in this paper.
Paper III: Elementary Mathematics
Lastly, we have the Elementary Mathematics paper, which is only applicable to IMA, INA and AFA candidates. The UPSC CDS syllabus keeps this paper broadly equivalent to the matriculation level. The syllabus includes the following topics:
- Arithmetic: Number systems, integers, rational numbers, real numbers, fractions, decimals, percentages, ratio and proportion, averages, profit and loss, simple and compound interest, time and work, time and distance, and elementary number theory.
- Algebra: Basic operations, polynomials, factorisation, remainder theorem, quadratic equations, sets, indices and logarithms.
- Trigonometry: Trigonometric ratios, standard identities, trigonometric values, heights and distances, and basic trigonometric equations.
- Geometry: Lines and angles, triangles, congruence and similarity, properties of circles, quadrilaterals and other elementary geometrical figures.
- Mensuration: Areas and perimeters of plane figures, surface areas and volumes of cubes, cuboids, cones, cylinders and spheres.
- Statistics: Collection and classification of data, frequency distributions, graphical representation, measures of central tendency and basic statistical calculations.
Candidates should practise numerical problems regularly and strengthen their basic concepts, including formulae, before attempting full-length mock tests. At the same time, they need to be thorough with calculations to reduce silly errors.
Preparation Tips for 2027 Aspirants
Now that we have shared about the UPSC CDS syllabus, we would also share some preparation tips for candidates appearing in 2027. So, let us look at each one-by-one:
- Understand the complete UPSC CDS syllabus. You may refer to the official notification for any updates as well.
- Analyse previous years’ question papers to gauge important and repeated topics.
- English requires consistent practice and can boost your final score, so focus on it more. For General Knowledge, work on your basics before relying on marathon videos online. In Mathematics, your preparation should focus on conceptual clarity, calculation speed and regular revision.
- Give mock tests at home to identify weak areas and work on them.
- Improve time management, develop an effective examination strategy and follow a daily routine.
Remember that consistency beats everything. Hence, be consistent in your preparation once you have understood the UPSC CDS syllabus.
Final Thoughts
The UPSC CDS syllabus provides a clear roadmap for graduates aspiring to become officers in the Indian Armed Forces. Hence, candidates must follow a disciplined preparation strategy that covers all subjects and topics.
If you wish to know about the specific topics that carry more weightage than others in the UPSC CDS exam, do let us know in the comments. Best of luck!
