Moves up from 8th spot among top 40 global mining firms
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/coal-india-now-sixth-largest-mining-company-world-pwc
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal-india
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-mineral-development-corporation-nmdc
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mineral-based-industry-0