The victim filed a case over the incident and police arrested two of the suspects.
According to the case statement, Samiul, a garment worker, developed a love affair with the teenage girl from the same garment factory. He along with the girl went to visit the house of one his friends on Monday night.
On the way to return home, Samiul took the girl to his rented house where his friends Arif Sarkar and Rana Sarkar -- were already waiting.
Later, they raped the girl in turns and threatened her not to disclose the matter to anyone.
The rapists let the girl to go around 10:30 pm and she went to the police station and filed the case against the trio.
Inspector (Investigation) Fazlul Haque of Ashulia Police Station said police on Tuesday arrested two accused -- Rana, 25, son of late Jalil Sarkar, and Arif Hossain, son of late Jamal Molla, of the area here.
Police were trying to arrest the other suspect, he said.
The victim was taken to the One-Stop Crisis Centre (OCC) of Dhaka Medical College Hospital for medical test, the official added.