Untreated effluent from Azad Pulp and Paper Mill pollutes water of the Nagor River at Bigram in Kahaloo upazila of Bogra district.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/toxic-paper-mill-effluent-badly-pollutes-bogra-river
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-star-bangladesh
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/paper-and-pulp-industry
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution