Multiple choice Which of the following dams is not on Narmada River? Indira-Sagar Project Maheshwar Hydel Power Project Koyan Power Project Jobat Project Reveal answer Fill a bubble to check yourself C Correct answer Explanation The Koyna Dam is constructed on the Koyna River in Maharashtra, which is a tributary of the Krishna River. The other projects mentioned are either directly on the Narmada River or on its immediate tributaries like the Hathni River.