Explanation – The Sharda River, also called Kali River and Mahakali River, originates from Kalapani in the Himalayas, situated in the Pithoragarh district of Uttarakhand. It flows through the states of Uttar Pradesh and Bihar before entering Nepal. It forms part of the border between India and Nepal, and eventually joins the Ghaghara River, a tributary of the Ganges River. Its tributaries are: Left- Chameliya, Ramgun in Nepal and Right- Kuthi, Dhauli, Gori, Sarju, Ladhiya rivers in Uttarakhand (India)

Source: Forum IAS