Says it did not go to Chief Hydrographer for demarcation of backwater areas on map
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/map-not-modified-environment-dept
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coastal-regulations
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ports
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/petrochemical-industry
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/right-information-rti
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmentalists
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment