Links:
[1] http://admin.indiaenvironmentportal.org.in/news/citu-shuts-coal-mine
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/telegraph-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/thermal-power-plants
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/durgapur
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal