Arnab,
Hats off to you for taking time and posting these articles. I know it was cut&paste but you took your time to go thru the Banglapedia and I highly commend you for this
Folks,
Banglapedia is a comprehensive, academic encyclopedia on all aspects of Bangladesh.
Some Links:
https://www1.columbia.edu/sec/cu/lwe...nglapedia.html
http://banglapedia.search.com.bd/