Q. Tilaiya, Maithon, and Bal Pahari dams are on which river?
Answer: Barakar
Notes: Tilaiya and Maithon dams were constructed on the Barakar River, a tributary of the Damodar River, under the Damodar Valley Corporation project. Tilaiya dam was completed in 1953 and Maithon dam in 1957. The proposed Bal Pahari dam is also planned on the Barakar River in Jharkhand. All three dams are part of the water management system managed by the Damodar Valley Corporation.