Revenue Minister K.M.Mani said that the revenue secretary would probe the complaints that illegal sand-mining was rampant in the Periyar river and Thiruvanathapuram district administration in Kerala
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/revenue-secretary-probe-illegal-sand-mining-periyar
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining