Will have a list of low-lying areas, dilapidated buildings, ham radios
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/disaster-management-plan-chennai-be-ready-soon
[2] http://admin.indiaenvironmentportal.org.in/category/author/aloysius-xavier-lopez
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/disaster-management
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/buildings
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/slums
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters