At least four gangsters, allegedly involved in cases of murder and extortion, exchanged fire with police at Butter Kalan village in the district.
The gun fight broke out last night when police, acting on a tip-off, raided a house in the village, and were shot at.
The officers retaliated, but the gangsters managed to escape, police said.
The accused were identified as Manpreet Singh, Surjit Singh, Ranjit Singh and Gagandeep Singh.
Police have registered a case in this connection and launched a manhunt.
