During monsoon the situation worsens with the industrial waste and particularly Ash flowing to rivers and drains.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/jharsuguda-dump-yard-polluting-industrial-garbage
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/statesman-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/orissa
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-waste
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hazardous-waste