Around 12 million tonnes of coal was lost due to the absence of regulatory clearances in 2013-14 The Hindu has learnt.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/delayed-clearances-result-loss-12-mt-coal-production
[2] http://admin.indiaenvironmentportal.org.in/category/author/indrani-dutta
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal-india
[7] http://admin.indiaenvironmentportal.org.in/thesaurus/environment-clearance-ec
[8] http://admin.indiaenvironmentportal.org.in/thesaurus/forest-clearance
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mahanadi-coalfields
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-eastern-coalfields
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chhattisgarh