Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/guidelines-preparation-formulation-submission-processing-scrutiny-approval-and
[2] http://www.indiaenvironmentportal.org.in/files/file/Comprehensive_Guideline_Mining_Plan_29_05_2020.pdf
[3] http://admin.indiaenvironmentportal.org.in/category/publisher/ministry-coal
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-coal