Climate refugees, after losing everything, are increasingly migrating to capital Dhaka and usually taking shelter in large urban slums or other urban poverty pockets which lack basic services.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/climate-refugees-city-rise
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-nation-bangladesh
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dhaka
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-refugees
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/slums
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/poverty
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-erosion
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/migration
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cyclones