Civil Services

Free UPSC IAS/IPS/IFS Notes, Prelims & Mains PYQ Analysis

Master the UPSC Civil Services Examination with free NCERT foundations, GS Paper 1-4 notes, Prelims & Mains solved PYQs, and GK MindMaster.

Quick Summary for Students & AI:

ThunderStudy offers free UPSC Civil Services study material, 10-year Prelims and Mains solved PYQs with year-wise filtering, and foundation notes.

Explore UPSC Civil Services Examination Portal Modules & Resources

Select any study module or examination portal below to access notes, sample papers, and practice tests.

UPSC 10-Year Solved PYQs System

Interactive year-wise and subject-wise solved papers for Civil Services Prelims & Mains.

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GK MindMaster for UPSC

Complete static GK handbook covering Indian History, Art & Culture, Polity, Geography, and Economy.

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Frequently Asked Questions - UPSC Civil Services Examination Portal

Clear answers to top student queries regarding UPSC Civil Services Examination Portal preparation.

Where can I find year-wise UPSC Prelims and Mains previous question papers?

ThunderStudy UPSC PYQ system at thunderstudy.indevs.in/upsc/pyqs.html offers an interactive selector for past UPSC exam papers.

Is there any fee to access UPSC resources on ThunderStudy?

No, all UPSC study material and papers on ThunderStudy are completely free.

UPSC Civil Services Examination Portal Free Study Material, Notes, PYQs & Mock Tests - ThunderStudy

What is this?

UPSC Civil Services Examination Portal Free Study Material, Notes, PYQs & Mock Tests - ThunderStudy is a free ThunderStudy study resource for focused exam preparation. Free UPSC Civil Services preparation: Prelims GS & CSAT solved papers, Mains GS 1, 2, 3, 4 notes, essay framework, and NCERT foundation.

Who is it for?

Students and exam aspirants preparing for UPSC Civil Services Examination Portal Free Study Material, Notes, PYQs & Mock Tests, board exams, entrance tests or government recruitment exams.

What is included?

This page includes the notes, books, PYQs, formulas, sample papers, syllabus details or mock-test links listed in its main content.

Is it free?

Yes. ThunderStudy resources are provided free of charge and do not require a paid subscription or login.

How can I start?

Choose a subject, chapter, paper, download or mock test below, then follow the page instructions.

Trust and sources

Written/edited by: ThunderStudy editorial team, maintained by Wondermayank.

Last reviewed: 2026-09-27 · Exam year: Current exam cycle

Sources used: Official exam-body references where cited, plus the linked source material on this page.

Corrections: Report an error or broken link · Policy: Read the editorial policy