A 21-year-old student of MC College was found hanging inside a room in her hostel in the Tilagarh area of Sylhet city on Wednesday.
The deceased was identified as Smriti Rani Das, a first-year student of the English department. She was originally from Kishoreganj district.
Smriti used to stay in a room on the second floor of the hostel but her body was found in an unoccupied room on the third floor, he said.
Indranil Bhattacharya, an inspector at the Shahporan Police Station, said the body was sent to Sylhet Osmani Medical College and Hospital morgue for an autopsy.
"Prima facie, it seemed she died by suicide. But a probe is on to ascertain the exact cause of her death,” he said.