बिहार के कुल सिंचित भूमि का कितना प्रतिशत भाग नहरों द्वारा सींचा जाता है ? - What percentage of the total irrigated land of Bihar is irrigated by canals? - Bihar Ke Kul Sinchit Bhumi Ka Kitna Pratishat Bhag Naharon Dwara seencha Jata Hai ? Bihar Gk in hindi, Canals and Irrigation 30.21 question answers in hindi pdf 37.1 questions in hindi, Know About 40.63 Bihar Gk online test Bihar Gk notes in hindi quiz book 28.23
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