The deceased was identified as Khokon Dutta, 53, of Anwara Upazila.
Agrabad Fire Station’s Deputy Director Jashim Uddin said the locals called police after seeing smoke coming out of a room where Khokon was sleeping.
After being informed by police, a fire service team rushed to the spot and recovered his body.
It was sent to Chittagong Medical College Hospital for autopsy, he added.
The cause of fire could not be known yet.