According to Bangla Desh|Bangla Desh|East Pakistan|Asian country|Asian nation} exploitation board (BWDB)[1] concerning 230 rivers presently flow in Bangladesh (during summer and winter), though the amount explicit square measure ambiguous in some sources[2][3].[4]. As explicit by a publication referred to as বাংলাদেশের নদ-নদী by BWDB( Bangladesh exploitation board