According to the police, the two accused Deepak and Amit Roy allegedly sexually assaulted the minor when she was on way to the toilet outside her room in the Barafkal locality of Beliaghata.
One of the two accused grabbed the victim from behind while the other one tried to undress her, upon which the girl screamed for help, an officer of the Kolkata Police said.
Local people, who heard the minor's scream, caught hold of the two and handed them over to the police.