At present only courts have the authority to impose penalty on the basis of complaints filed by authorised officers; it has hardly ever led to action
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/environment-regulator-be-set-without-penal-powers
[2] http://admin.indiaenvironmentportal.org.in/category/author/somesh-jha
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/regulations
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-act-1986
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-impact-assessment-eia
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-environment-and-forests-moef
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[10] http://admin.indiaenvironmentportal.org.in/thesaurus/environment-clearance-ec