Somb river
The Somb river, also spelled Som river (Hindi: सोम नदी) is a tributary of Yamuna in Haryana state of India. Origin and route. The "Somb river" originates in the Shivalik hills near Adi Badri (Haryana) in Yamunanagar district on the border of Haryana and Himachal Pradesh State. In 1875-76 Pathrala barrage at Dadupur was built where Somb river meets Western Yamuna Canal in Haryana. The basin is classified in two parts, Khadir and Bangar, the higher area that is not flooded in rainy season is called "Bangar" and the lower flood-prone area is called "Khadar". Irrigation  and Hydal Power. The Western Yamuna Canal has several check dams in Yamunanagar district and Hydal power is generated at Pathrala barrage. some of which are also used for the hydel power generation. Identification with Vedic rivers. The Somb river passing through here is considered by some to follow the course of the Rig Vedic Sarasvati river.