On a tip-off, a police team from Nawabad police station yesterday laid a checkpoint at Paloura and intercepted a van. During the checking of the van, 4 kg of heroin was found along with Rs 5 lakh cash, Senior Superintendent of police (SSP) Jammu, Uttam Chand said.
He said the four persons arrested have been identified as Ved Parkash, Jasvinder Kumar, Mohammad Farooq, and Sandeep Kumar.
A case under various sections of the Narcotic Drugs and Psychotropic substances (NDPS) Act has been registered at Nawabad police station, the SSP said.