Dhaka division has the highest share of the country's poor population, followed by Chittagong, as people from impoverished areas have migrated to these economic hubs in search of employment.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/dhaka-division-home-highest-number-poor
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-star-bangladesh
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/poverty
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dhaka
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chittagong-0
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia