Links:
[1] http://admin.indiaenvironmentportal.org.in/news/rio-regrets-not-being-able-solve-drinking-water-problem
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/assam-tribune-guwahati
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-water-supply
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nagaland
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kohima-t