Four occupants of the car, registered only yesterday, were seriously injured in the mishap, they said.
24-year old Arjun, a private bus driver, and his 20-year old wife Aishwarya were returning home after casting their franchise at a booth in Othakalamandapal on the city outskirts when the mishap occurred near Malumichampatti, police said.
The driver of the car was thrown to a distance of 150 feet away under the impact of the smash at very high speed.