गंगा के दक्षिणी भाग में पुरानी जलोढ़ मिट्टी को किस नाम से पुकारते हैं ? - By what name is the old alluvial soil in the southern part of the Ganges called? - Ganga Ke Dakshinni Bhag Me Purani Jalodh Mitti Ko Kis Naam Se Pukarte Hain ? Bihar Gk in hindi, Land and Soil Laal Mitti question answers in hindi pdf BalThar Mitti questions in hindi, Know About bhangar Mitti Bihar Gk online test Bihar Gk notes in hindi quiz book Karail - Kaival Mitti