While the ban will be implemented within Maharashtra, passengers coming to Mumbai from other parts of the country are also expected to be maintain caution while disposing plastic at stations.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/mumbai-four-days-ahead-plastic-ban-confusion-over-disposal-continues
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/plastics
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/non-biodgradable-waste
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/compensation
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-security
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment