Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/letter-regional-officer-chhattisgarh-environment-protection-board-managing
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chhattisgarh
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bhilai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/durg-d
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/iron-and-steel-industry-0
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-waste