Illegal mining is continuing along the borders of Punjab in Una district. In many areas, hills are being destroyed and rivulets getting choked due to illegal mining.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/illegal-mining-continues-border-areas-una-district
[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/himachal-pradesh
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[6] http://admin.indiaenvironmentportal.org.in/thesaurus/sand-mining
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/illegal-trade
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/farmers
[10] http://admin.indiaenvironmentportal.org.in/thesaurus/state-environment-impact-assessment-authority-seiaa
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/stone-industry