Coal mining is one of the biggest threats to habitats of the big cats in the country.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/tiger-tiger-burning-not-so-bright
[2] http://admin.indiaenvironmentportal.org.in/category/author/prerna-singh-bindra
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/pioneer-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-environment-and-forests-moef
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sunita-narain
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/greenpeace
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/supreme-court
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecology
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity