Links:
[1] http://admin.indiaenvironmentportal.org.in/news/nhpc-commissions-unit-4-teesta-low-dam-project
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/teesta
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hydroelectricity
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-hydroelectric-power-corporation-nhpc
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy