The primary suspect, Mukesh Rajbhar, and his associate, Suraj Rajbhar, were arrested within 24 hours of the attack, which took place in a village under the Hanumanganj police jurisdiction, Superintendent of Police Santosh Mishra said.
The police recovered the blood-stained, semi-naked body of a schoolgirl in a cane field in the wee hours of Sunday. The girl had injuries on her private parts.
