# 26 Years UPSC IAS/IPS Prelims Topic-wise Solved Papers 1 & 2 (1995–2020) – for UPSC Civil Services
> 26 years of UPSC Prelims PYQs topic-wise with detailed solutions — GS Paper 1 & 2 by Mrunal Patel.

## Details

- **Author:** Mrunal Patel
- **Publisher:** Disha Publication
- **Language:** English
- **Edition:** 11th Edition
- **Year:** 2020
- **Pages:** 616
- **ISBN:** 978-8194815013
- **File Size:** 35.7 MB
- **Difficulty:** intermediate
- **Price:** Free
- **URL:** https://www.allcompetitionclasses.co.in/books/disha-26-years-upsc-ias-ips-prelims-topic-wise-solved-papers-1-2

## Exam Relevance
- UPSC CSE (IAS/IPS/IFS)
- UPPSC
- MPPSC
- BPSC
- MPSC
- GPSC
- KPSC
- RPSC
- WBPSC
- CAPF (AC)
- CDS
- NDA
- SSC CGL
- IBPS PO
- RBI Grade B
- APFC

## Subjects & Topics
- Indian History
- Indian Polity
- Indian Economy
- Indian and World Geography
- Environment and Ecology
- General Science
- Current Affairs
- CSAT Reasoning
- Data Interpretation
- Logical Reasoning
- Essay Writing
- Competitive Exam Preparation
- Government & Civil Services
- Previous Year Question Papers

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## Full Description
If you've been staring at a blank study plan wondering where to even begin with UPSC Prelims, this book answers exactly that. It puts 26 years of actual UPSC questions — from 1995 all the way to 2020 — in your hands, sorted by topic, not by year. That one change makes all the difference. Instead of jumping between years and losing context, you get to see how UPSC has asked about, say, Indian Polity or Environment, across decades. Patterns become visible. Your preparation becomes smarter.

The 11th edition of Disha's bestselling UPSC solved papers book covers both General Studies Paper 1 and Paper 2 (CSAT). The content is distributed across 8 broad Units and 52 Topics — so whether you're revising History, Geography, Polity, Economics, Science & Technology, Environment & Ecology, or CSAT reasoning, everything has its own clearly marked section. You're not hunting through a dumped archive; you're working through a structured revision tool.

Here's what's inside:

**General Studies Paper 1 topics** span Ancient, Medieval, and Modern Indian History; Indian Culture and Heritage; Indian and World Geography (physical, human, and economic); Indian Polity and Governance including Constitution, Panchayati Raj, and public policy; Indian Economy covering planning, agriculture, industry, and current economic issues; General Science including Physics, Chemistry, Biology basics; Environment and Ecology including biodiversity, climate change, and environmental laws; and Current Affairs and General Knowledge including international bodies, summits, and important events.

**General Studies Paper 2 (CSAT)** topics cover Comprehension passages, Interpersonal and Communication skills, Logical Reasoning and Analytical ability, Decision Making and Problem Solving, Basic Numeracy including data interpretation and sufficiency, and English Language Comprehension.

Beyond just Prelims questions, the book also includes unsolved Mains questions from 2013 to 2019, divided topic-wise — so you get a feel for how Prelims and Mains connect thematically. A topic-wise list of Essay questions from 1993 to 2019 is also provided, which is genuinely rare and useful for aspirants who want to understand the full picture of UPSC's expectations. The book further includes an IAS Planner section to help you map out your Prelims and Mains preparation calendar.

Every single answer comes with a detailed, validated solution — cross-checked against the official UPSC answer key. Mrunal has also added unique strategic articles covering how to read the IAS exam, how to approach Mains answer writing, how to write GS IV essays, and how to time yourself during Prelims. These aren't filler — they're the kind of insider guidance that usually costs money at coaching centres.

This book is primarily built for UPSC CSE (Civil Services Examination) aspirants targeting IAS, IPS, IFS, and other Group A and B Central Services. It's equally useful for State PSC exams like UPPSC, MPPSC, BPSC, MPSC, GPSC, KPSC, RPSC, and WBPSC, since their syllabi overlap heavily with UPSC GS Paper 1. Aspirants preparing for CAPF (AC), CDS, and NDA will also find the History, Polity, and General Science sections directly useful. Even candidates targeting SSC CGL, IBPS PO, and RBI Grade B can use the Polity, Economy, and General Science sections to build conceptual depth.

Mrunal Patel is one of the most recognised names in the UPSC preparation ecosystem. He started as a blogger at mrunal.org — back when free, structured UPSC content online was almost unheard of — and built a following by breaking down complex topics into plain language. He was a core faculty member at SPIPA (Sardar Vallabhbhai Patel Institute of Public Administration), the Gujarat government's own IAS training institute, and later became Senior Vice President at Unacademy, where he's known especially for his Economy and General Studies lectures. His YouTube channel has crossed 1 million subscribers, earning a YouTube Gold Button. He attempted UPSC himself in 2009, which means his guidance comes from someone who has sat in the aspirant's chair — not just a career academic. That real-world perspective shows in how this book is written: the solutions don't just give you the right answer, they show you how to eliminate wrong ones.

Downloading the PDF version here means you get it on your phone, tablet, or laptop without waiting for delivery. The file is compressed and optimised for quick loading even on slower mobile connections — useful if you're studying from Tier 2 or Tier 3 cities where data speeds can be inconsistent. You can search within the PDF, jump to specific topics instantly, and annotate digitally if your reader supports it.

If you're serious about cracking UPSC Prelims, previous year questions aren't optional — they're the map. This book gives you 26 years of that map, sorted, solved, and explained. Download it, pick your weakest topic, and start there. That's all the strategy you need to begin.

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