Terming the incident as shocking, he said a team would visit the area to probe the incident which occurred at a secluded spot near the school run by a mission.
"Eight of the nine accused have been arrested, and the one remaining will be caught soon," Soren told reporters in the presence of DGP Rajeev Kumar and Home Secretary N N Pandey here.
"The government will take the responsibility for the minor girls' education and train them in self-defence," he said.
The incident, with the girls being forcibly taken away by the accused, happened at Lobda village under Littipara police station on Sunday night.