Bihar Gk Bihar Me Bandook Banane Ka Karkhana Kahan Hai ?

बिहार में बंदूक बनाने का कारखाना कहाँ है ? - Where is the gun factory in Bihar? - Bihar Me Bandook Banane Ka Karkhana Kahan Hai ? Bihar Gk in hindi,  Udyog SitaMadhi Me question answers in hindi pdf  Munger Me questions in hindi, Know About Bhagalpur Me Bihar Gk online test Bihar Gk notes in hindi quiz book    Patana Me