Links:
[1] http://admin.indiaenvironmentportal.org.in/news/mullaperiyar-kerala-no-tn-plan
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/periyar
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams-irrigation
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/supreme-court
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu