The issue focused on water pollution in Kanyakumari. The study also looked at water quality in other parts of the state.

The study said that Kanyakumari was one of the cleanest cities in the state. "It was also one of the least polluted areas in the state. It was also one of the best places to study water quality in the state," said study co-author Indranil Khosla, research scientist at the Research Institute of Science and Environment in Th