The arrestees were identified as Rakib Uddin, 21, son of Yunus Mia of Rameshwar village in Chandian, and Soharab Hossain, son of Imam Hossain of Nawapara village in Ramganj.
Sub-inspector Ahad of Chandina Police Station said Rakib raped the girl when she was alone at her home on July 5.
Victim’s mother filed a case with the police station under the Women and Children Repression Prevention Act on July 9.
Keronkhal Union Parishad Chairman Harun-ur-Rashid handed Rakib over to police on Friday night, the SI added.
Quoting locals, Anwar Hossain, officer-in-charge of Ramganj Police Station, said Sohrab lured the fifth grader girl with Tk 50 and raped her taking her to a remote place on Thursday.
Hearing her screams, locals recued the girl.
Later, police arrested Sohrab after the girl’s family filed a case with the police station, the OC added.