CDS
Combined Defence Services Examination
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CDS — Highlights
- Conducting Body
- Union Public Service Commission (UPSC)
- Level
- National
- Category
- Defence
- Country
- India
Important Dates
|
CDS (I) 2027 — Application
UPSC Annual Calendar 2027 |
02 Dec 2026 – 22 Dec 2026 | Tentative source ↗ Apply ↗ Notification ↗ |
|
CDS (I) 2027 — Exam
UPSC Annual Calendar 2027 |
11 Apr 2027 | Tentative source ↗ Notification ↗ |
|
CDS (II) 2027 — Application
UPSC Annual Calendar 2027 |
12 May 2027 – 01 Jun 2027 | Tentative source ↗ Apply ↗ Notification ↗ |
|
CDS (II) 2027 — Exam
UPSC Annual Calendar 2027 |
19 Sep 2027 | Tentative source ↗ Notification ↗ |
“Tentative” dates are not yet confirmed against the official source — always verify on the official website.
This is a general preparation guide for CDS. Exam-specific eligibility, pattern and dates are added as they’re officially confirmed — Save it above to be notified.
A structured, consistent preparation plan is the key to clearing this exam.
Subjects to focus on
Core subjects for this exam — see the official syllabus
Understand the pattern, cover the full syllabus, and practise with mock tests.
Exam-day tips
- Carry your admit card and a valid photo ID — check the official list of allowed items.
- Reach the centre early and keep all prohibited items away.
- Read the instructions carefully and plan your time per section before you start.
- Attempt the questions you know first; don’t get stuck on a hard one.
- Stay calm — a steady, even pace beats panic and rushing.
Common mistakes to avoid
- Studying without knowing the exact syllabus and exam pattern.
- Too much theory and too little question practice.
- Skipping mock tests and previous-year papers.
- Leaving revision and short notes for the last minute.
- Ignoring sleep and health in the final week before the exam.
How to prepare
- Read the official notification first — confirm eligibility, exam pattern and the marking scheme.
- Get the latest official syllabus and map it topic by topic.
- Build a realistic weekly timetable and study consistently, not in bursts.
- Learn each concept properly first, then practise questions on it — avoid blind memorisation.
- Take full-length mock tests regularly under timed, exam-like conditions.
- Analyse every mock: fix weak topics and note the silly mistakes you keep making.
- In the final weeks, revise with short notes and previous-year question papers.
Foundation
Cover the entire syllabus once, concept by concept. Focus on understanding, not speed.
Practice
Do topic-wise question practice and solve previous-year papers. Start timing yourself.
Revision
Full-length mock tests, quick-revision notes, and targeted work on your weak areas.