बिहार में अमझौर पहाड़ियों में पाइराइट की खान पायी जाती है, वह किस जिले में है ? - Pyrite mines are found in the Amjhore hills in Bihar, in which district is it located? - Bihar Me Amjhaur Pahadiyon Me Pairait Ki Khan Payi Jati Hai , Wah Kis Jile Me Hai ? Bihar Gk in hindi, Government Schemes Kaimoor question answers in hindi pdf Rohtas questions in hindi, Know About Aurangabad Bihar Gk online test Bihar Gk notes in hindi quiz book Bhabhua