The correct option is B Karnataka
The Supa Dam is a concrete gravity dam built across Kali River in Joida taluk of Uttara Kannada district of Karnataka. The dam was built by Hindustan Steel Works Construction Limited (HSCL) and is now operated by Karnataka Power Corporation Limited (KPCL). It has a gross storage capacity of 4178 Mcum and a live storage of 4115.25 Mcum of water.