The arrestee was identified as Ashiqur Rahman Nayan, 18.
Tarek Aziz, assistant superintendent of police of Rab-7 said the victim's mother filed a case with Anwara Police Station saying her daughter is missing.
The victim, a class X student, has developed a love relation with Nayan and then took the girl to a place after alluring her to marry her two months back.
Nayan also used to violate the girl after confining her to a room.
Recently the victim managed to flee the place and informed the matter to her family.
Later, the elite force conducted a drive in the area and arrested Nayan on Monday night.
He was handed over to Anwara Police Station.
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