Links:
[1] http://admin.indiaenvironmentportal.org.in/news/vultures-no-longer-found-tripura
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/assam-tribune-guwahati
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vulture
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tripura
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-tripura
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agartala