This time when heavy rainfall plays havoc in the city breaking all communication channels, the newly installed HAM radio stations would act as a saviour during the disaster.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ham-radios-play-communication-saviour-during-disasters
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/disaster-management
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/radio
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mumbai