UPSC CSE Prelims 2026 · GS + CSAT · 200 + 200 Marks

Free UPSC Prelims Mock Test — GS Paper I and CSAT Paper II Simulator

Crack UPSC Prelims with MockSetu's free 2-paper mock test simulator. Take GS Paper I (100 questions, 200 marks, 2 hours) and CSAT Paper II (80 questions, 200 marks, 2 hours) under real OMR-based conditions. Get category-wise analytics across Polity, History, Geography, Economy, Environment, and Current Affairs — so revision becomes precise instead of overwhelming. Built for serious civil services aspirants targeting IAS, IPS, IFS, and IRS.

UPSC CSE Prelims 2026 Exam Pattern

Conducting bodyUnion Public Service Commission (UPSC)
ModeOffline (OMR-based)
PapersPaper I: General Studies; Paper II: CSAT (qualifying)
Paper I — Questions100 (General Studies)
Paper II — Questions80 (CSAT — Aptitude & Comprehension)
MarkingPaper I: +2 / −0.66; Paper II: +2.5 / −0.83
Duration2 hours per paper (4 hours total)
CSAT qualifying mark33% (66 / 200) — qualifying only, not added to rank
Cutoff (Paper I — General)~85–95 marks (varies year on year)
LanguagesEnglish & Hindi

Why UPSC Prelims mocks decide who makes it to Mains

UPSC Prelims eliminates ~95% of aspirants in a single morning. The line between selected and rejected is often just 4–6 questions — out of 100 — and those 4–6 questions are almost never answered correctly by reading more NCERT; they're answered correctly by candidates who've taken 50+ mock tests and learned to make calibrated guesses on the 30 'half-knowledge' questions every paper has. MockSetu's UPSC simulator forces you to develop that elimination-and-guess instinct under real OMR-style timing, which is the most undertrained skill in UPSC preparation.

How to use MockSetu for your UPSC preparation

From September: one full-length GS + CSAT every two weeks. From January: weekly full-length mock. From April (one month before Prelims): two mocks per week, both in the 9:30 AM slot to match the real exam shift. Always attempt Paper I first, then take a 30-minute break, then Paper II — never separate them by days during the final two months. After every mock, the most valuable hour is reviewing only the questions you got wrong AND the questions you got right by guess. Both are unstable. Both will fail you in May.

  • Attempt 85–95 questions in GS Paper I — anything less leaves marks on the table
  • Treat CSAT as binary: clear 66/200 with margin, then forget it. Don't over-prepare CSAT.
  • Current Affairs accounts for 25–30 of your 100 GS questions — daily revision is non-negotiable
  • Master elimination on confusing 'two of the above' / 'which of the following' formats
  • Track your accuracy by GS subject (Polity / Econ / Env / History / Geo / CA) to drive revision priorities

UPSC Prelims Syllabus 2026

Paper I — General Studies

  • Current Affairs (last 12–18 months)
  • Indian History (Ancient, Medieval, Modern, Freedom Struggle)
  • Indian & World Geography (Physical, Social, Economic)
  • Indian Polity & Governance (Constitution, Panchayati Raj, Rights, Policy)
  • Economic & Social Development (Sustainability, Demographics, Inclusion, Poverty)
  • Environment, Ecology, Biodiversity, Climate Change
  • General Science (Basics, Tech, Health)

Paper II — CSAT (Civil Services Aptitude Test)

  • Comprehension & Critical Reasoning
  • Logical Reasoning & Analytical Ability
  • Decision Making & Problem Solving
  • General Mental Ability
  • Basic Numeracy (Class X level — numbers, ratios, percentages)
  • Data Interpretation (charts, graphs, tables)

UPSC Mock Test — FAQs

Is MockSetu's UPSC Prelims mock test free?

Yes. Every UPSC CSE Prelims mock test on MockSetu is 100% free with unlimited attempts. Both GS Paper I and CSAT Paper II are fully available.

Does MockSetu cover both UPSC Prelims papers?

Yes. MockSetu offers full-length GS Paper I (100 questions, 200 marks, 2 hours) and CSAT Paper II (80 questions, 200 marks, 2 hours) — both with the official UPSC marking scheme (+2 / −0.66 for GS, +2.5 / −0.83 for CSAT).

How many UPSC mocks should I take before Prelims?

Most UPSC selects report taking 30–50 full-length GS mocks plus 10–15 CSAT mocks in the 6 months before Prelims. The quality of post-mock review matters more than mock count beyond 50.

Does MockSetu cover Current Affairs for UPSC?

Yes — every mock test includes a fresh set of Current Affairs questions from the last 12–18 months, in line with what UPSC actually asks.

Is the MockSetu CSAT mock helpful even if I'm strong in CSAT?

Yes — CSAT cutoff is 33% (66/200), but it must be cleared. Even strong candidates should take 5–8 CSAT mocks to ensure they don't get blindsided on exam day. CSAT failures cost candidates the entire attempt.

Can MockSetu help with state PCS exams too?

Yes — many state PCS exams (UPPSC, BPSC, MPPSC, RPSC) follow patterns very similar to UPSC Prelims. The same mocks transfer well, with minor adjustments for state-specific syllabus.