In a letter to Prime Minister Narendra Modi, Chief Minister K Palaniswami requested him to direct the Ministry of Environment, Forest and Climate Change to "reject outright" Karnataka's proposal.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/tamil-nadu-cm-palaniswami-seeks-modis-intervention-mekedatu-reservoir-issue
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cauvery
[5] http://admin.indiaenvironmentportal.org.in/thesaurus/environment-clearance-ec
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-disputes
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-water-resources
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources