After the tsunami of 2004, the government was forced to rethink its policies on the Indian coastline. And hence, the coastal management zones (CMZ) were established.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/coastal-regulation-draft-ignores-ecological-issues
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-jaipur
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coastal-regulations
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coastal-regulation-zone-notification
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecology
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-impact-assessment-eia