According to police sources, personnel from the Pishtakhara police station were on routine patrol on the Dora Road when the roadside bomb exploded.
Constable Aijaz was injured whereas the police van was completely destroyed in the explosion.
Approximately, five to six kilograms of explosive material was used in the blast, the bomb disposal squad (BDS) said.
Police took control of the area as a search operation went underway.
Peshawar, the capital of Khyber Pakhtunkhwa province, lies on the edge of Pakistan's tribal areas and has seen frequent attacks by militants in the past few years, with targets ranging from civilians to policemen and other law enforcement personnel.
