Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cerc-asks-centre-improve-renewable-energy-purchase
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/electricity
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-power