दलदली मिट्टी बिहार के किस जिले में पायी जाती है ? - In which district of Bihar is marshy soil found? - Daldali Mitti Bihar Ke Kis Jile Me Payi Jati Hai ? Bihar Gk in hindi, Land and Soil KishanGanj question answers in hindi pdf SitaMadhi questions in hindi, Know About Supaul Bihar Gk online test Bihar Gk notes in hindi quiz book Ye Sabhi
दलदली मिट्टी की बहुलता बिहार के किस क्षेत्र में पाई जाती है