The Krishna Raja Sagar Dam, located in Karnataka, is built on which one of the following rivers?

Kaveri

The correct answer is Option (2) → Kaveri

The Krishna Raja Sagara (KRS) Dam is located near Mysuru in Karnataka and is built across the river Kaveri (also spelled Cauvery). It was constructed in 1932 during the reign of Krishnaraja Wodeyar IV (hence the name) and is a major source of irrigation, drinking water, and hydroelectric power for the region.