Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cloud-over-alternative-highway-tripura
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/assam-tribune-guwahati
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/assam-valley
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/habitat-and-urbanisation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/highways
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-shipping-road-transport-and-highways
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tripura