नवीन जलोढ़ मिट्टी बिहार के किस जिले में पायी जाती है ? - New alluvial soil is found in which district of Bihar? - Naveen Jalodh Mitti Bihar Ke Kis Jile Me Payi Jati Hai ? Bihar Gk in hindi, Land and Soil Purniya question answers in hindi pdf Darbhanga questions in hindi, Know About Saharsa Bihar Gk online test Bihar Gk notes in hindi quiz book Ye Sabhi