The Punjab Pollution control Board has directed all large and medium scale industries, besides rice shellers and brick kilns, to acquire no objection certificate(NOCs) from the board with regard to
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/industry-told-get-noc-pollution-september-30
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment