CDS Previous Year Question Papers 2026 — Free PDF Download & Practice Guide

CDS previous year question paper practice is the fastest way to understand exactly how UPSC tests English, General Knowledge and Elementary Mathematics for the Combined Defence Services exam. With CDS I 2026 already conducted and CDS II 2026 scheduled for 13 September 2026, thousands of aspirants are searching for CDS previous year question papers to build their final revision strategy. This guide breaks down where to get genuine CDS 1 and CDS 2 question papers, the exact exam pattern they're based on, and how to convert that practice into free, structured revision on FreePrep.

Why Solve CDS Previous Year Question Papers?

UPSC repeats question patterns, topic weightage and difficulty trends far more than it repeats exact questions. Solving 8-10 years of CDS previous year question papers helps you:

• Identify which English, GK and Maths topics appear most often across IMA/INA/AFA and OTA papers
• Get comfortable with the 2-hour, negative-marking format before exam day
• Benchmark your accuracy and speed against the real cut-off trend
• Spot recurring static GK areas (history, geography, polity, current affairs) that UPSC favours for defence exams

UPSC CDS 2026 Exam Pattern

Entry	Papers	Subjects	Marks	Duration
IMA / INA / AFA	2 papers	English, General Knowledge, Elementary Mathematics	300	2 hours per paper
OTA	1 paper	English, General Knowledge (no Maths)	200	2 hours per paper

Both papers carry 1/3rd negative marking for every wrong answer, which is exactly why practising previous year papers under timed conditions matters more than reading theory alone.

CDS I & CDS II 2026 Exam Dates

• CDS I 2026: conducted on 12 April 2026
• CDS II 2026: scheduled for 13 September 2026

Candidates preparing for CDS II 2026 have a narrow window to convert previous year question paper practice into a working revision plan — check the FreePrep Exam Calendar for the full list of upcoming UPSC and defence exam dates.

Where to Download CDS Previous Year Question Papers

The most reliable source for authentic CDS previous year question papers is the official UPSC website, which publishes CDS I and CDS II question paper PDFs (English, GK and Elementary Mathematics sets) after every exam cycle. Always cross-check any third-party PDF against the official UPSC paper before trusting the answer key, since unofficial "memory-based" versions can contain errors.

Subject-Wise Weightage: What CDS PYQs Reveal

Across recent CDS papers, aspirants consistently see:

• English: spotting errors, synonyms/antonyms, one-word substitution, idioms, ordering of sentences and comprehension passages
• General Knowledge: history, Indian and world geography, polity, economics, general science and current affairs
• Elementary Mathematics (IMA/INA/AFA only): arithmetic, algebra, trigonometry, geometry, mensuration and statistics at a 10th-12th standard level

Free CDS Practice on FreePrep

Once you've reviewed a few years of CDS previous year question papers, reinforce weak areas with FreePrep's free, no-login practice:

• UPSC CDS exam page — pattern, eligibility, dates and resources for CDS in one place
• CDS previous papers & resources — syllabus and paper resources as they're added
• English practice sets — spotting errors, idioms, comprehension and more
• Static GK practice sets — history, polity, geography and general science MCQs
• Daily Current Affairs & Quiz — a fresh current affairs quiz every day to cover the GK section

CDS Eligibility Snapshot 2026

• Education: Degree from a recognised university (Engineering degree for INA; Physics & Maths at 10+2 for AFA)
• Age: 19–24 years (General category, IMA/INA/AFA)
• Application fee: ₹200 (General/OBC); Nil for Female/SC/ST candidates

FAQs

Is it enough to only solve CDS previous year question papers?
No — previous year papers show you the pattern and weightage, but you still need subject-wise practice (English, GK, Maths) to cover topics that haven't repeated recently. Use PYQs to test yourself, then go back to topic-wise practice for weak areas.

How many years of CDS previous year papers should I solve?
Most successful candidates solve at least 8-10 years of CDS I and CDS II papers, timing each attempt at 2 hours per paper with negative marking applied.

Is there negative marking in CDS previous year papers?
Yes — 1/3rd mark is deducted for every wrong answer in both the actual exam and should be applied when self-scoring previous year papers.

Where can I get the official CDS answer key along with the previous year paper?
UPSC releases the official answer key on its website after the result process; until then, cross-verify answers using at least two independent coaching sources before relying on them.