Sylhet Metropolitan Magistrate court no-2 passed the order when police produced them before the court seeking a seven-day remand, said Khokon Kumar Dutta, assistant public prosecutor of the court.
Those remanded are Mahbubur Rahman Rony, an accused in the case and two suspects- Rajon and Ainuddin.
Earlier on Monday, the court placed Saifur Rahman Saifur, Arjun Lashkar and Robiul Islam, on a 5-day each remand in the case.
A group of youths tied up a man and raped his 19-year-old wife at the MC College dormitory on Friday night.
After police rescued the couple, the victim’s husband filed a case at Shahporan Police Station in the early hours of Saturday against nine people mentioning the names of six.