Investments in environment protection have always been the last in the Indian companies' priority list. However, the recent Supreme Court judgement for setting up dehydrogenetion and desulphurisation
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/pollution-control-equipment
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/financial-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment