राजगीर में दुर्ग तथा स्तूप की स्थापना किस मगध के शासक ने की ? - Which Magadha ruler established the fort and stupa at Rajgir? - RajGeer Me Durg Tatha Stoop Ki Sthapanaa Kis Magadh Ke Shashak ne Ki ? Bihar Gk in hindi, BPSC Bihar Ancient Histroy Ajatashatru question answers in hindi pdf udayin questions in hindi, Know About Bimbisar Bihar Gk online test Bihar Gk notes in hindi quiz book Inme Se Koi Nahi