Links:
[1] http://admin.indiaenvironmentportal.org.in/news/existence-royal-bengal-tiger-sundarbans-threatened
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-nation-bangladesh
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/endangered-species
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sundarbans
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/census-habitat-monitoring