An inmate of Dhaka central Jail in Keraniganj died after falling sick on Saturday morning.
The deceased was Md Nadim, 30, son of late Jabbar of Christian Lane in Basabo of Dhaka.
Sources at the central jail said Nadim fell sick suddenly and later he was taken to Dhaka Medical College Hospital (DMCH).
Physicians at the emergency department of the DMCH declared him dead upon arrival, said Md Bachhu Miah, in-charge of the hospital police outpost.
The body was kept at the hospital morgue for autopsy, he added.