Rajesh Kumar (40), a resident of Rajinder Nagar in Delhi, was killed, police said.
Other occupants of the car Nitika, Nisha and Sunita, all Delhi residents, were rushed to PGIMER at Chandigarh.
Their condition was stated to be serious.
Rajesh, driver of the car is believed to have lost control over the car, police said.
The Delhi family was going to a attend a religious function at Beas, near Amritsar.