Yamuna Action Plan: In order to protect the major rivers of India from sewage pollution, the Ministry of Environment and Forests has initiated development of sewage treatment plants under the National River Conservation Authority, e.g., Ganga Action Plan and Yamuna Action Plan. Industries contribute chemical effluents to the river’s pollution load and the toxicity kills aquatic animals in large sections of the river. Under these plans, a large number of sewage treatment plants were built so that only treated sewage is discharged into the rivers.