RBD Khan Sir General Science Samanya Vigyan – Bihar Question Killer is a powerful Hindi medium guide tailored for aspirants of BPSC, BSSC, and other Bihar state-level competitive exams. Authored by Khan Sir and published by RBD Publications, this RBD Khan Sir General Science Samanya Vigyan 2026–27 edition includes:
Chapterwise solved questions from 1992 to 2025
Detailed explanations for each question
Coverage of Physics, Chemistry, Biology, and Environmental Science
Focused on Bihar-specific exam trends and patterns
With 352 pages of exam-relevant content, this RBD Khan Sir General Science Samanya Vigyan book is a must-have for mastering General Science in Hindi for Bihar government exams.
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Khan Sir General Science Book – Bihar Question Killer
