बिहार में नहरों द्वारा सिंचाई निम्नलिखित में से किस भाग में अधिक होती है ? - In which of the following parts of Bihar is irrigation through canals more? - Bihar Me Naharon Dwara Irrigation NimnLikhit Me Se Kis Bhag Me Adhik Hoti Hai ? Bihar Gk in hindi, Canals and Irrigation Ganga Ka Uttari Maidan question answers in hindi pdf Ganga Ka Dakshinni Maidan questions in hindi, Know About Bihar Ka Tarai Shetra Bihar Gk online test Bihar Gk notes in hindi quiz book Chhota Nagpur Ka Pathar