More than 80% of the country's coal is produced by Coal India Ltd, which operates under the Ministry of Coal
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/use-high-quality-coal-power-plants-environment-ministry-co2-release
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ash
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-thermal-power-corporation-ntpc
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment