India, July 25 -- Goa chief minister Pramod Sawant on Friday hit back at Karnataka deputy chief minister DK Shivakumar, who in comments to the media reportedly said that the former had "lost his mental balance" over a river diversion project.

Speaking to reporters at the Goa legislative assembly, Sawant said he would not be deterred by "who says what".

"When DK Shivakumar speaks, he reveals the Congress culture. Our battle on the Mhadei issue will continue be it in the Supreme Court, the tribunal or with the central government. I have been fighting for the cause even before I was an elected member. I don't care too much about who is saying what. I will continue to do whatever is necessary for the River," Sawant said.

"There is a compet...