The bodies of the two girls who were residents of Sonapur Tola under Khodawandpur police station area of the district were found by their family members late last night, they said.
Police said investigations were on to ascertain as to whether the two girls had committed suicide or their bodies were hanged after murder.
One of the girl was 14-year-old while the other was 15-year-old, they said.
The bodies were spotted by their family members, who went out in search of them as they were missing for a few hours, in-charge of Chhaurahi outpost, Sintu Kumar Jha, said.
Jha said one of the girl's studied at a local school while another was pursuing her studies at a school in Delhi and had come to the village on a vacation.
Both the bodies have been sent to the Sadar hospital for post mortem, the police officer added.