A court on Tuesday sent the suspended sub-inspector of Bandarbazar police outpost, Akbar Hossain Bhuiya, to jail on conclusion of his 7-day remand in connection with the death of Raihan Ahmed at the outpost.
Chief Metropolitan Magistrate Md Abul Kashem passed the order.
On November 10, Akbar was placed on a seven-day remand after his arrest from Dona bordering area in Kanaighat upazila of Sylhet.
On October 11, Raihan Ahmed, 34, a resident of Akharia in Sylhet city, was 'beaten to death in police custody' at Bandarbazar Police outpost, alleged the victim's family.
His wife, Tahmina Akter Tanni, filed a case with Kotwali Police Station the following day accusing a number of unidentified people.
On October 12, the authorities suspended four policemen, including the then in-charge of Bandarbazar Police outpost Akbar, in connection with the death.
Three policemen, including Ashek, were withdrawn the same day.
The case was later transferred to the PBI.
Besides, the SMP formed an investigation committee, headed by its Additional Deputy Commissioner Shahrier Al Mamun, to look into the death of Raihan.
After a primary investigation, they found some policemen guilty of foul play.
After autopsy, doctors said they found 111 injury marks on Raihan's body and two of his nails were pulled out.
On October 22, former SMP Commissioner Golam Kibria was transferred over widespread criticisms of the role of police after the death of Raihan.