The State Government has prohibited the use of plastic flags, posters and flex for Republic Day celebrations.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/plastic-flags-and-posters-banned-r-day
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/pioneer-raipur
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chhattisgarh
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/plastics
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-home-affairs
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/non-biodegradable-waste-1
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment