Raising the issue during the zero hour in the Lok Sabha on Monday, AIADMK member from Pollachi K. Sugumar said that Karnataka was also trying to divert the flow of the river to its territory depriving of the benefit to Tamil Nadu.

The construction of the check dam and diversion of water of Thenpennai by the Karnataka Government would affect Krishnagiri, Dharmapuri, Tiruvannamalai, Villupuram and Cuddalore districts in his State, he said.Karnataka had not communicated to Tamil Nadu about the proposal and also had not sought its consent.