Saifur Rahman, Robiul and Arjun were produced before the court of Sylhet Metropolitan Magistrate-1, Metropolitan Police Assistant Commissioner (Prosecution) Amulya Bhushan Chowdhury said.
Police said they would be issue statements under section 164.
Three other accused – Mahbubur Rahman Rony, Rajon and Ainuddin – were put on five-day remand each in the case by a Sylhet court on Sept 29.
The remand of third accused Tareq and sixth accused Mahfuzur Rahman Masum will end on Sunday.
Read Also: Rape in Sylhet MC College dormitory triggers protests
A group of youths tied up a man and raped his 19-year-old wife at the MC College dormitory on the night of Sep 25.
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.
Besides, the Education Ministry formed a committee to investigate whether there was any negligence of the college authorities in the gang rape incident.
The High Court last week formed an investigation committee to look into the incident.
Home Minister Asaduzzaman Khan has said that none of those involved in the incident will be spared.