The ONGC (Oil and Natural Gas Corporation), in its recently-held meeting, has decided to implement rain-water harvesting in all the existing residential complexes of ONGC across the country. As a new implemented policy, ONGC has made it mandatory to implement the system of rainwater harvesting in all the future projects (new constructions) also.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/rainwater-harvesting-be-implemented-all-ongc-complexes
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/pioneer-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-conservation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-harvesting
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/oil-and-natural-gas-corporation-ongc