Senior Superintendent of Police (SSP) Manu Maharaj said the three persons were arrested from different places and have been identified as Sonu Kumar, Akhilesh Singh and Digvijay Jha.
Vipul, the fourth accused person, has been absconding since the incident, he said.
It may be mentioned that the media executive was thrashed by some persons after a minor collision between two vehicles on the busy Raja Bazar area under Shashtri Nagar police station of Patna on late Saturday night.
SSP said Sonu and Akhilesh were students of Tapendu Institute in Patna, while Digvijay Jha works with the Irrigation department as a clerk.
They narrated the entire incident before the police and said the incident occurred when they were going to drop their friend in Gola Road area, the SSP said adding the accused persons admitted that there was a fight for making payment for repairing the damaged vehicle.
The accused persons have been booked for kidnapping, wrongful confinement and assault, SSP said.