Massive fish deaths in Periyar river tributary due to ammonia, hydrogen sulphide, unidentified toxins: Report | India News

India News: A report by Kerala University of Fisheries and Ocean Studies reveals high levels of ammonia, hydrogen sulphide, and unidentified toxins in a Periyar r

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Ernakulam ,Kerala ,India ,Periyar ,Tamil Nadu ,Periyar River , ,Department Of Fisheries ,Kerala University Of Fisheries ,Kerala University ,Ocean Studies ,State Pollution Control Board ,Pollution Control Board ,