Study Guides
Comprehensive preparation resources for every certification track covered by Ace UPSC.
UPSC Prelims GS Paper I: syllabus, marking and study plan
What UPSC Prelims General Studies Paper I covers, how its marking and attempt rules work, and how to prepare each of its seven areas.
UPSC Prelims CSAT: What Paper II Tests and How to Prepare
What the UPSC Prelims CSAT tests, its 33 per cent qualifying rule, marking scheme and worked practice for every question type.
UPSC Mains Essay Paper: How to Prepare and What to Expect
Prepare for the UPSC Mains Essay paper with its verified format, official criteria, a complete worked essay plan, and exam-day checks.
UPSC Mains GS Paper I: Syllabus, Format and How to Prepare
Learn what UPSC Mains General Studies Paper I covers, how it is marked, and how to prepare each syllabus cluster with a worked answer plan.
UPSC Mains GS II: How to Prepare With the Official Syllabus
Study UPSC Mains General Studies Paper II with the official syllabus clusters, marking signals, exam format and two worked practice tasks.
UPSC Mains GS Paper III: Syllabus, Format and Study Guide
Prepare for UPSC Mains General Studies Paper III with its verified syllabus areas, exam format, two worked exercises and the 2027 dates.
UPSC Mains GS IV (Ethics): A Practical Preparation Guide
A study guide for UPSC Mains GS IV (Ethics, Integrity and Aptitude): paper logistics, syllabus areas, a worked case study, and self-review.
UPSC Optional Paper I: Choose and Map Your Preparation
Prepare for UPSC CSE Main Optional Paper I with the verified paper format, syllabus mapping steps and a worked revision-planning example.
UPSC Optional Paper II: Build a Complete Study Plan
A study guide for the UPSC Civil Services Main Examination Optional Paper II covering marks, timing, syllabus scope and a worked practice drill.
State PSC Prelims: How to Prepare for Your State's Exam
There is no single State PSC Prelims exam: each state commission runs its own. Learn how to find your syllabus and prepare a focused plan.
State PSC Mains: How to Prepare With Your State's Syllabus
State PSC mains exams differ by state. Find your official syllabus, study verified Kerala KAS and UP PCS examples, and build a two-layer preparation plan.