Karnataka has banned cultivation of eucalyptus in malnad (hill area) and semi-malnad areas.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/karnataka-restricts-eucalyptus-cultivation
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/pioneer-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/eucalyptus
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karnataka
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttar-kannad
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kodagu
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-capability
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forest-products