Police recovered the body of a man from the city's Lalbagh police station area on Friday.
The identity of the deceased, aged around 35, could not be ascertained immediately, said police.
Nuton Miah, sub-inspector (SI) of Lalbagh police station, said they found the man lying unconscious near the BGB-2 gate around 11:15am. Later, they took him to Dhaka Medical College and Hospital where doctors declared him dead around 12:20pm, the SI added.
The body has been kept at the hospital morgue for an autopsy, SI Nuton Miah said.