Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bhels-corporate-social-responsibility-initiative
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-line-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bharat-heavy-electricals-ltd-bhel
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/corporate-social-responsibility
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/andhra-pradesh
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sustainable-development
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/economy