Karuppan Kulam near Menambedu in Ambattur, a waterbody which has been ignored for years, has been recently taken up for restoration by EFI volunteers.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/environmentalist-foundation-india-deploys-new-technique-maximise-groundwater-recharge
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-management