The Gandaki River (also known as the Narayani in southern Nepal and the Gandak in India) is one of the major rivers of Nepal and a left bank tributary of the Ganges in India. The river is notable for the deep gorge through which it flows and for a large hydroelectric facility in Nepal. It has a total catchment area of 46,300 sq km, most of it in Nepal, which lies between the Kosi system to the east and the Karnali system to the west. In Nepal The river is called Sapta (seven) Gandaki for its seven tributaries rising in the Himalaya or to the north along the main Ganges-Brahmaputra…