Complete PSIR Optional Booklist for Beginners | UPSC 2025 Best PSIR Resources | Sleepy Classes IAS

PSIR books for UPSC optional paper help cover the syllabus thoroughly. A comprehensive list of the best PSIR books for UPSC preparation is provided here.
🎯STEP By STEP Guide To PSIR Optional 2025:
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🎯 PSIR Foundation Course for UPSC 2025 - Mentorship - Batch-4 :-
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🎯PSIR Foundation Course for UPSC 2025 - With Evaluation - BAtch-4 :-
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🎯PSIR Foundation Course for UPSC 2025 - Without Evaluation - Batch-4 :-
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🎯PSIR Current Affairs for UPSC 2025 :-
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