The suspicious looking car was flagged down by PCR personnel but it sped away and hit their van at around 1.40 PM.
Later, it was chased by the PCR van as it headed towards South Extension, a senior police officer said.
The car hit the barricades at Bachhendri Pal Marg Picket and sped towards Kotla Red Light during whichthe staff in the PCR van fired one round on the car's tyre to stop it.
A case has been registered against the driver Sumit, 23, under relevant sections of IPC at Kotla Mubarakpur police station, said the officer.