Solution:Left bank tributaries of the Ganga from west to east is:- Ram Ganga- Gomti-Ghaghra-Gandak Left bank tributaries of Ganga - Ramganga, Garra, Gomati, Ghaghara, Gandak, Burhi gandak, Koshi, Mahananda. Right bank tributories of Ganga - Yamuna, Tons, Son, Punpun, Falgu, Kiul, Damodar etc.