II Grade Samajik Adhyayan Bhag-1 (II ग्रेड सामाजिक अध्ययन भाग-1), written by Pappu Singh Prajapat with Dr Balkishan Saini, Dr Diwakar Mishra, Mooldan Charan and B.C. Jodhpur, covers the first part of the Social Studies subject paper for the Second Grade Teacher recruitment conducted by the Rajasthan Public Service Commission, Ajmer (राजस्थान लोक सेवा आयोग, अजमेर द्वारा आयोजित). The complete book is written in Hindi (Devanagari script), so aspirants preparing in the Hindi medium can study the subject in their own language. This is the 2025-26 edition. The book is fully based on the latest syllabus (पूर्णतः नवीनतम पाठ्यक्रम पर आधारित पुस्तक). Part 1 covers three subjects: Itihas (इतिहास / History), Bhugol (भूगोल / Geography) and Samajshastra (समाजशास्त्र / Sociology). Together with Part 2 — which covers public administration, political science and economics — the two volumes cover the complete Social Studies paper. Splitting six subjects across two books keeps each at the depth the Second Grade paper asks for, which is higher than the Third Grade equivalent. Pappu Singh Prajapat's credentials are printed on the cover: five times RPSC and UGC Topper in History, B.Ed., NET and JRF in History. Key Features: Written entirely in Hindi (Hindi medium) for Second Grade Teacher aspirants For the RPSC Second Grade Teacher Social Studies subject paper Part 1 (भाग-1) of the Social Studies series Covers History, Geography and Sociology Fully based on the latest syllabus 2025-26 edition Companion to Part 2, which covers public administration, political science and economics Written by a five-time RPSC and UGC Topper in History By Pappu Singh Prajapat, Dr Balkishan Saini, Dr Diwakar Mishra, Mooldan Charan and B.C. Jodhpur यह पुस्तक "II ग्रेड सामाजिक अध्ययन (भाग-1)" पप्पू सिंह प्रजापत, डॉ. बालकिशन सैनी, डॉ. दिवाकर मिश्र, मूलदान चारण एवं बी.सी. जोधपुर द्वारा लिखित है। यह पूर्णतः हिंदी भाषा (Hindi medium) में है। यह 2025-26 संस्करण है तथा पूर्णतः नवीनतम पाठ्यक्रम पर आधारित है। भाग-1 में इतिहास, भूगोल एवं समाजशास्त्र सम्मिलित हैं। यह राजस्थान लोक सेवा आयोग, अजमेर द्वारा आयोजित द्वितीय श्रेणी शिक्षक (सामाजिक अध्ययन) भर्ती परीक्षा के अभ्यर्थियों के लिए अत्यंत उपयोगी है।