The correct option is B Karnataka
The Basava Sagar Dam was built across the Krishna River at Siddapur Village in Bijapur district of Karnataka. The reservoir that it impounds is known as Basava Sagar, and has a total storage capacity of 37.965 tmcft with 30.5 tmcft live storage. The full reservoir level is 492.25 m MSL and the minimum draw down level is 481.6 m MSL. The dam is 29 meters high and over 10 kilometres long and has 30 gates for water release.