A country-wide elephant census has pegged the number of pachyderms in the country at 27,000, of which 514 roam the forests of north Bengal.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/census-puts-elephant-count-27000-north-bengal-has-514
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/elephant
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/census-habitat-monitoring
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/orissa
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/jharkhand
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife