One vehicle was intercepted by a police team of Nawabad police station and four persons were arrested with 265gm of heroin and Rs 2.10 lakh cash, they said.
The accused have been identified as Farooq Ah Dar, Mehmood Ahmed, Liaqat Ali and Mohd Shabbir.
Meanwhile, another vehicle was intercepted in the same area and Akhlaq Khan and Mumtaz Ahmed were arrested with 253 gm heroin and Rs 90,000 cash, police said.
FIRs have been registered in both the cases and investigation is on, they added.