The causes of pollution of river Ganga are as follows:
(i) Dumping of garbage and untreated sewage from all the towns and cities on the banks of the river.
(ii) Millions of people bathe and wash their clothes, animals and vehicles in the river water.
(iii) Releasing chemical effluents from industries directly into the river water.
(iv) Immersion of ashes or even dead bodies in the river, performed as a ritual.
