The Jammu-bound cab collided with the oil tanker at Barsoo near Awantipora, 32 km from here, resulting in the death of four persons and injuring as many, they said.
The deceased has been identified as Rajinder Mordha and Pargoan Kumari, both residents of Pune, and Mohammad Yousuf Khanday and Farooq Ahmad Wani of Barsoo village.
The injured, including the drivers of the cab and the oil tanker, have been rushed to a hospital where their condition was stated to be serious.