A team of Excise and Police department had arrested three alleged members of liquor mafia during raids yesterday.
The miscreants associated with them started pelting stones and freed the three accused from the police custody, police said today.
Sub Inspector Sanjay Verma, woman constable Archana, Constable Dinesh, Anup, Vishnu, Vipin, Ajay Sharma and Raman Singh were among who were injured and shifted to a near by hospital, they said.
Police have registered a case against 16 people who are absconding.