बिहार के … … … … भाग में उर्वरक भूमि का फैलाव है, जो सरयू ,गण्डक तथा गंगा के बहाव के कारण है - There is a spread of fertilizer land in the ………… part of Bihar, which is due to the flow of Saryu, Gandak and Ganga. - Bihar Ke … … … … Bhag Me Urvarak Bhumi Ka Failaav Hai , Jo Saryu , Gandak Tatha Ganga Ke Bahav Ke Karan Hai Bihar Gk in hindi, Krishi Uttari question answers in hindi pdf Poorvi questions in hindi, Know About Dakshinni Bihar Gk online test Bihar Gk notes in hindi quiz book Pashchimi