Bihar Samanya Gyan (General Knowledge) GK Book for BPSC, BSSC, BPSSC, and Other Competitive Exams in Hindi (Latest Edition). Radian's Bihar samanya gyan book has 1500+ important questions with detailed explanatory answers. Covered complete syllabus of the GK with all previous year questions asked in various exams. and This book provides QR codes for current affairs and updated chapter content, making it truly unique. Bihar GK Book is very useful for BPSC, BSSC, BPSSC, CSBC and all other competitive exams in Bihar.