According to police, the girl was raped by the two accused, identified as Monu and Dilbag, at Devrar village.
The youths allegedly kidnapped the girl when she had stepped out of her room to relieve herself at night and then raped her, police added.
A medical test on the victim has confirmed rape, police said.
A case was registered in the matter following a complaint by the girl's father, police said, adding that no arrests have, however, been made yet.