Links:
[1] http://admin.indiaenvironmentportal.org.in/news/solar-water-heaters-may-become-must
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/herald-panjim
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-water-heaters
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/goa
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy