The Tamil Nadu Pollution Control Board has laid down a condition that the Kudankulam Nuclear Power Project (KKNPP) should adopt a suitable system to reduce the temperature of the trade effluent at the final discharge point so that the resultant rise in the temperature of the sea does not exceed seven degrees Celsius above the ambient temperature.

The board stipulated the condition in its fresh consent order to operate the plant, a copy of which was submitted to the Madras High Court