Despite regular complaints by environmentalists, sand mining activity is being regularly reported from Panvel, Palghar, and other places.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/mumbai-awaaz-foundation-initiates-public-campaign-against-sand-mining
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[5] http://admin.indiaenvironmentportal.org.in/thesaurus/sand-mining
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/unep
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmentalists