Links:
[1] http://admin.indiaenvironmentportal.org.in/organisation/punatsangchhu-i-he-project-authority
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bhutan
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hydroelectricity
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy