Q. The rivers Keso, Akato, Gurio, and Gukhana are tributaries of which river?
Answer: Barakar
Notes: The Barakar River originates in the Chota Nagpur Plateau, Jharkhand. Keso, Akato, Gurio, and Gukhana rivers are its main tributaries. Barakar is a major tributary of the Damodar River. It flows through districts such as Hazaribagh, Giridih, and Dhanbad. The river basin supports irrigation and the Panchet Dam hydropower project. Sankh is a tributary of the Subarnarekha, Koyna is in Maharashtra, and Bokaro is a smaller Damodar tributary.