The arrestee was identified as Arif alias Sabuj, 28, son of Khorshed Alam.
Commander Abdullah Al Mamun of Rab-1 said they arrested Sabuj at 2:30 am from Telipara area.
Sabuj and his accomplices abducted the victim while she was returning from school and took her to a house in Salna area where they violated her.
Neighbours spotted the victim after hearing her scream while already the miscreants managed to flee, he said.
Victim’s mother filed a case with Gazipur Police Station over the matter.
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