In case of violation, manufacturers and users will be fined Rs 5,000. But the government has said it will start taking punitive action only after June 23.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/plastic-ban-railway-stations-food-stalls-raise-concerns-over-buyback-policy-disposal
[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/mumbai
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rail-transport
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/non-biodegradable-waste
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-security
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment