Links:
[1] http://admin.indiaenvironmentportal.org.in/news/water-expo-opens-delhi
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-management
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wastewater-recycling
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-urban-development
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi