दक्षिण बिहार की वह कौनसी नदी है, जो सबसे पश्चिम से बिहार में गंगा नदी में मिलती है ? - Which is the river of South Bihar, which joins the Ganges river in Bihar from the west? - Dakshinn Bihar Ki Wah Kaunsi Nadi Hai , Jo Sabse Pashchim Se Bihar Me Ganga Nadi Me Milti Hai ? Bihar Gk in hindi, Drainage System Punpun question answers in hindi pdf Kiul questions in hindi, Know About Mahananda Bihar Gk online test Bihar Gk notes in hindi quiz book Son