Links:
[1] http://admin.indiaenvironmentportal.org.in/news/chennai-petroleum-sets-desalination-plant
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/economic-times-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/desalination
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-d
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-oil-corporation-ioc