Expansion or modernisation projects that have been undertaken without obtaining prior environment clearance (EC) will be treated as violation and strict action will be taken by the government.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/govt-take-action-against-expansion-projects-without-environment-clearance
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/economic-times-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/thesaurus/environment-clearance-ec
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-act-1986
[5] http://admin.indiaenvironmentportal.org.in/thesaurus/state-environment-impact-assessment-authority-seiaa
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment