Links:
[1] http://admin.indiaenvironmentportal.org.in/organisation/west-bengal-biodiversity-board
[2] http://www.wbbb.nic.in/
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-biodiversity-board-sbb
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity-conservation