Continued illegal mining in the Chaki river along the Punjab-Himachal border is threatening national and state infrastructure, including railway bridges, roads and water supply schemes.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/illegal-mining-chaki-river-continues
[2] http://admin.indiaenvironmentportal.org.in/category/author/lalit-mohan
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/himachal-pradesh
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[8] http://admin.indiaenvironmentportal.org.in/thesaurus/sand-mining
[9] http://admin.indiaenvironmentportal.org.in/thesaurus/national-green-tribunal-ngt
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/illegal-trade
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/high-court