Mullaiahnagiri, Bababudangiri, Kemmangundi chain of hills in Western Ghats are said to be the most sensitive regions. Since the sthese hills naturally form the shape of a crescent moon, they are named as
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/declare-chandradrona-hills-forest-land
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-herald-bangalore
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/western-ghats
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bhadra-sa
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger-reserves
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karnataka