ERNAKULAM: Massive fish deaths in a Periyar river tributary were due to dangerous levels of ammonia, hydrogen sulphide and unidentified toxins in the water, said a report from the Kerala ...

The Bench said that having a singular authority responsible for the entire Periyar River, rather than fragmented control, could lead to significant improvements in safeguarding its future. “It ...

One of the worst affected basins, Periyar River Basin (PRB), received a 145 year return period rainfall. This study reports the results and analysis of a modelling exercise using HEC-HMS to simulate ...