Awami League lawmaker Abdul Mannan died while undergoing treatment at Labaid Hospital in the capital at 8:15am on Saturday.
Motiur Rahman Moti, Personal Assistant of the lawmaker, confirmed the death to Jago News.
Mannan, lawmaker of Bagura-1 constituency, was the Organizing Secretary of AL and President of Chhatra League.
He won three times in national election.