Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bengal-govt-contests-method-adopted-counting-tigers
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/economic-times-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/buxa-np
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger-reserves
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/census-habitat-monitoring
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife