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IAS Mains Optional Chapterwise Solved (2025–2016) – PSIR Paper I & II. Q-Beat Series is a comprehensive practice-oriented book by Arihant designed to help aspirants master Political Science & International Relations (PSIR) for the UPSC Civil Services Mains Examination. The book presents chapter-wise solutions to previous years’ questions from 2025 to 2016, supported by trend analysis, micro-topic mapping, and structured answer frameworks that reflect current UPSC answer-writing expectations in English medium.
Genre: Competitive Exam Preparation/Exams by UPSC/ UPSC Civil Services
Audience: UPSC CSE aspirants opting for Political Science & International Relations (PSIR) as their Mains optional subject.
Key Features:
Why Choose This Book?
This book is an ideal choice for serious PSIR aspirants who want to align their preparation directly with UPSC’s evolving trends. By combining previous years’ questions with analytical insights and structured answer frameworks, it helps bridge the gap between syllabus knowledge and effective Mains answer writing, making preparation more focused, strategic, and result-oriented.







