Jharkhand General Knowledge - 2023 : Essential Book For Jpsc, Jssc, Jtet, Jserc, Si and All Other Competitive Exam of Jharkhand: Bestseller Book by Dr. Manish Rannjan IAS: Jharkhand General Knowledge - 2023 : Essential Book for JPSC, JSSC, JTET, JSERC, SI and All Other Competitive Exam of Jharkhand