¿ Best Selling Book in Hindi Edition for Bihar Police Sub Inspector Prelims Exam with objective-type questions as per the latest syllabus. ¿ Compare your performance with other students using Smart Answer Sheets in EduGorilla's Bihar Police Sub Inspector Prelims Practice Book Kit. ¿ Bihar Police Sub Inspector Prelims Book comes with 10 Full Length Mock Tests and 3 Previous Year Papers with the best quality content. ¿ Increase your chances of selection by 16X. ¿ Bihar Police Sub Inspector Prelims Book Prep Kit comes with well-structured and 100% detailed solutions for all the questions. ¿ Clear exam with good grades using thoroughly Researched Content by experts.