Links:
[1] http://admin.indiaenvironmentportal.org.in/news/plea-decommission-periyar-dam-rejected
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/supreme-court
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala