The Union Ministry of Environment, Forest and Climate Change has banned the import of pet coke for trading in National Capital Region (NCR) states and has also imposed a slew of restrictions on use
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/govt-issues-slew-curbs-use-pet-coke-lime-kilns
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/refinery-technology
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0