Errorless 32 Topic-wise UPSC Civil Services IAS Prelims Previous Year Solved Papers 1 & 2 (1995-2026) by Dr. Mrunal Patel is an English medium book of solved previous year questions for the UPSC Civil Services Prelims. The book is written in English. It is published by Disha Publication, and this is the 17th Edition. The book covers 32 years of UPSC Prelims papers, from 1995 to 2026, for both Paper 1 (General Studies) and Paper 2 (CSAT). It contains 3760 General Studies questions and 1520 CSAT questions, all solved and arranged topic-wise. Studying PYQs topic by topic shows aspirants which areas UPSC tests most often and how its questions have changed over the years. It is useful for aspirants preparing for UPSC Civil Services (IAS) Prelims, and for State PCS prelims, which often follow a similar pattern. Key Features: English medium: written in English 32 years of UPSC IAS Prelims PYQs (1995-2026) Paper 1 (General Studies) and Paper 2 (CSAT) 3760 GS questions and 1520 CSAT questions, all solved Arranged topic-wise 17th Edition By Dr. Mrunal Patel, Disha Publication यह पुस्तक "Errorless 32 Topic-wise UPSC Civil Services IAS Prelims Previous Year Solved Papers 1 & 2 (1995-2026)" डॉ. मृणाल पटेल द्वारा तैयार की गई है और दिशा पब्लिकेशन द्वारा प्रकाशित है। यह अंग्रेजी माध्यम में है और इसका 17वाँ संस्करण है। इसमें 1995 से 2026 तक के UPSC प्रारंभिक परीक्षा के पेपर 1 (सामान्य अध्ययन) के 3760 एवं पेपर 2 (CSAT) के 1520 प्रश्न टॉपिक-वाइज़ हल सहित दिए गए हैं। यह UPSC IAS एवं राज्य PCS प्रारंभिक परीक्षा हेतु उपयोगी है।