The river Buriganga is used for river transportation, fishing and maintaining links with southern river ports of Bangladesh.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/polluted-buriganga
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-star-bangladesh
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh