Shubhra Ranjan Notes Google Drive ((free)) Official

A classic trick on Telegram and Drive links: The folder appears to have 50 files, but 15 are password-locked, 10 are corrupted, and 5 are advertisements for other coaching institutes. You end up with a jigsaw puzzle, not a coherent study material.

: Almost every PSIR topper cites these notes as their primary source. They are designed specifically for the UPSC syllabus rather than academic mastery. shubhra ranjan notes google drive