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CDS Syllabus — Section-wise Topics & Preparation Plan: Topics

Published:
30 May 2026
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Synopsis

Complete CDS syllabus with section-wise topics, preparation plan and sources — aligned with the official UPSC notification on upsc.gov.in.

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CDS Notification 2026CDS Exam PatternCDS EligibilityAll Sarkari Jobs

CDS Syllabus — this page explains the long-term, evergreen syllabus structure of the CDS examination conducted by Union Public Service Commission (UPSC). Use it to plan a section-wise study calendar; the exact mark-weights and the latest changes for any specific cycle are the ones printed in the official CDS notification PDF on upsc.gov.in.

About the CDS syllabus

For IMA, INA and AFA candidates, the CDS written exam consists of three papers — English, General Knowledge and Elementary Mathematics. For OTA candidates, only English and General Knowledge are tested. The detailed syllabus annexure is published with every UPSC CDS notification on upsc.gov.in.

CDS is designed to test a combination of subject knowledge, aptitude and language ability appropriate to the cadre being recruited. The official syllabus is published as part of the recruitment notification on upsc.gov.in and is the binding document — if any topic on this page differs from the official notification, the official notification prevails.

Section-wise structure of the syllabus

CDS screening stages are typically organised into clear sections so that candidates can build a topic-wise revision plan. Common section themes include:

  • General Intelligence / Reasoning — verbal and non-verbal reasoning, analogies, classifications, series, coding-decoding, blood relations, syllogisms, statement-conclusion, puzzles, seating arrangements and basic data sufficiency.
  • Quantitative Aptitude / Mathematics — number system, simplification, percentage, profit & loss, ratio & proportion, time-work-distance, mensuration, geometry, trigonometry (where applicable), basic statistics and data interpretation.
  • English / General English — reading comprehension, error spotting, sentence improvement, cloze tests, vocabulary (synonyms/antonyms/idioms), para jumbles and basic grammar.
  • General Awareness / General Knowledge — static GK (Indian polity, history, geography, basic science, economy), current affairs of the last 6–9 months and basic computer awareness where prescribed.
  • Subject / Professional knowledge — where the cadre demands it (technical, defence-specific, departmental), a dedicated paper covers the prescribed syllabus from the recognised reference texts.

How to read the official syllabus document

Print the CDS syllabus from the official notification and treat it as a checklist. Tick off each topic only after you can solve a mixed mock on it without referring back to notes. The official syllabus also indicates the standard/level at which questions are set — for example, Class 10 mathematics, Class 12 reasoning, graduate-level English. Always prepare to the standard prescribed in the notification, not above or below it; over-preparation in one area at the cost of another commonly costs serious candidates a section-level cut-off.

Preparation plan recommendations

  1. Foundation (Weeks 1–4): finish NCERT/standard-text-level concepts for each section, with one topic per day and a 15-question recall test at the end of each day.
  2. Practice (Weeks 5–10): shift to chapter-wise question banks for each section. Maintain a small notebook of error patterns and revise it at every weekend.
  3. Mock testing (Weeks 11+): attempt at least one full-length mock per week in the actual exam interface; analyse by topic, not just by score, to find where each minute is leaking.
  4. Current affairs: follow one reliable monthly current-affairs digest end-to-end rather than skim multiple sources. The last 6 months before the exam matter most.
  5. Final two weeks: do not pick a new topic. Consolidate revision notes, attempt previous-year papers under timed conditions and sleep on a fixed schedule.

Sources to use for the CDS syllabus

  • The official CDS notification PDF on upsc.gov.in — read the syllabus annexure paragraph by paragraph.
  • Previous years' CDS question papers released officially — they reflect the actual difficulty and topic mix more honestly than commercial guides.
  • NCERT books for foundational concepts in Mathematics, Science, Social Science and English.
  • One standard reference book per section for higher-order practice; do not collect five overlapping titles.
  • A single mock-test platform that mirrors the official exam interface so that you do not lose time learning a new UI on exam day.

Common syllabus mistakes to avoid

  • Treating an old syllabus snapshot from a coaching website as authoritative — the binding document is the syllabus annexure of the current official notification.
  • Skipping reading comprehension practice — long passages account for a significant fraction of the English/language section in most CDS cycles.
  • Ignoring negative marking strategy — selectively skipping low-confidence questions usually outperforms blind attempts.
  • Spending disproportionate time on one section just because it is your strength — section-level cut-offs disqualify candidates with lop-sided scores.
  • Not reading the General Awareness/Current Affairs section seriously — it is high-yield in both screening and main stages.

How to verify any update for CDS

The single authoritative source for CDS updates is the official Union Public Service Commission portal at upsc.gov.in. Every paragraph on this page is written from the long-term, evergreen structure of CDS — the post profile, the selection process and the broad shape of the syllabus and exam pattern. Specifics such as the exact application window, the cycle-wise vacancy count, the precise application fee, the cut-off marks, the venue allotment, the answer key release schedule and the final result date are always cycle-specific. For those, open the latest official notification PDF on upsc.gov.in and read the relevant clause directly.

We refresh this page when Union Public Service Commission publishes new CDS information so that the structural details here stay aligned with the latest official guidance. We do not publish unverified release dates, leaked answer keys, rumoured vacancy splits or unofficial cut-off claims. If a date is uncertain, this page will say so plainly and point you to the official notification rather than guess.

Things to avoid while preparing for CDS

  • Do not rely on a single coaching prediction for the application window or the exam date — the only binding source is the official UPSC notification on upsc.gov.in.
  • Do not assume that age relaxation, fee or syllabus weightage from a previous cycle automatically applies to the current cycle. Reservation clauses and fee structures are restated in every notification.
  • Do not trust unofficial answer keys, leaked papers or social-media cut-off claims; the official answer key window is the only safe input for raw-score estimation.
  • Do not delay document collection. Class 10, Class 12, graduation, category, EWS, PwBD and ID proofs in the prescribed format should be ready before the application window opens — a missing certificate at verification can lead to disqualification.
  • Do not skip the official mock test on the UPSC portal before the computer-based stage — familiarity with the testing interface saves crucial minutes on exam day.

Related UPSC pages

Use the related links below to navigate between the eligibility, syllabus, exam-pattern, admit-card and result pages for CDS and other Defence Recruitment pages on this site. All of these pages follow the same evergreen, verification-first structure.

Related Pages

CDS Notification 2026CDS Exam PatternCDS EligibilityAll Sarkari Jobs

Frequently Asked Questions

When will the next CDS 2026 notification be released?▾
CDS is notified by Union Public Service Commission (UPSC) when vacancies are sanctioned. The official 2026 notification will appear on the UPSC portal at upsc.gov.in. We do not publish speculative release dates — this page is updated within 24 hours of any official announcement on upsc.gov.in.
Who is eligible to apply for CDS?▾
Eligibility depends on the specific post within CDS. As a general rule, candidates must be Indian citizens, must hold the educational qualification prescribed for the post on the cut-off date and must satisfy the age and (where applicable) physical/medical standards. Check the official notification for exact eligibility, age relaxation and post-wise requirements.
What is the application fee for CDS?▾
Application fee for CDS is restated in every recruitment cycle by UPSC. SC/ST/PwBD/female candidates are typically exempt or pay a concessional fee under the prevailing Government norms. The exact figure applicable to your category is the one printed in the official CDS notification PDF on upsc.gov.in.
What is the selection process for CDS?▾
CDS follows a structured multi-stage selection process: Written Examination conducted by UPSC; Services Selection Board (SSB) — Stage I (Screening) and Stage II (Psychology, GTO and Personal Interview); Pilot Aptitude Battery Test (for Air Force candidates); Medical Examination by the Service Medical Board; All-India Merit List and Joining. Each stage is qualifying for the next. The final merit list is prepared as per the weightage formula in the official notification.
Where can I download the official CDS syllabus and exam pattern?▾
The official CDS syllabus and exam pattern are published as part of the recruitment notification PDF on upsc.gov.in. Use the official document as the binding reference. Coaching summaries are useful for revision but should never override the official syllabus annexure.
How do I apply online for CDS?▾
Visit upsc.gov.in during the application window, complete the one-time registration with a valid email and mobile, fill the CDS application form, upload the prescribed photograph and signature, pay the fee online and submit. Save the confirmation page and registration credentials for admit-card download and result lookup later.
When is the CDS admit card released?▾
The CDS admit card is typically released on upsc.gov.in 7 to 15 days before each stage of the exam. Use your registration number and date of birth (or password) to download the admit card and carry the printed copy along with the prescribed photo ID to the exam centre.
Where can I check the CDS result and cut-off?▾
CDS result and category-wise cut-off marks are published on upsc.gov.in after the provisional answer key and objection window. Do not trust unofficial cut-off claims on social media — the only authoritative source is the result PDF on the official portal.
What is the salary for CDS recruits?▾
CDS cadets receive a stipend during the training period. On commissioning, officers are placed at the prevailing defence Pay Level (currently Pay Level 10 for Lieutenant/equivalent ranks), with Military Service Pay, Dearness Allowance and post-specific allowances such as flying, submarine and field allowance, plus the Group Insurance Scheme and pension benefits. Verify exact figures with the latest official notification and the defence service pay rules. Specific allowances vary by post and place of posting; check the official notification for the exact pay level and the cadre-specific service rules for the full pay basket.
Has the CDS syllabus changed recently?▾
UPSC restates the CDS syllabus in every cycle's notification. If a change is announced, it is reflected in the syllabus annexure of the latest notification on upsc.gov.in. Cross-check the latest notification annexure against the syllabus topics you have prepared before the exam.