To curb illegal sand mining, the Environment Ministry has decided to make it mandatory to take environment clearance (EC) for sand and gravel mining below five hectares from a district level author
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sand-mining-govts-green-nod-must
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/statesman-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[4] http://admin.indiaenvironmentportal.org.in/thesaurus/sand-mining
[5] http://admin.indiaenvironmentportal.org.in/thesaurus/environment-clearance-ec
[6] http://admin.indiaenvironmentportal.org.in/thesaurus/state-environment-impact-assessment-authority-seiaa
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-impact-assessment-eia
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/illegal-trade