➤ It originates from Mahaldiran hill in Darjeeling district of West Bengal.
➤ It is the Easternmost river of North Bihar plains, which flows in the South-West direction after emerging from Himalayas and forms the boundary between India (West Bengal) and Bangladesh.
➤ The total length of Mahananda river in Bihar is 376 km.
➤ It enters Bihar in Kishanganj district. It meets the Ganga river near Manihari (Katihar district) and enters into Bangladesh.
➤ Its important tributaries are Mechi, Balason, Ratwa, Kanakai, Nagar, Dank, Pitanu, Changa, Burhi gangi, etc.
