Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sewage-septic-tanks-disposed-river-thirumanimuthar
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/salem-d
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-disposal
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage-treatment-plants-stp
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution