"The victims were on their way to Shindhari village in Barmer district of Rajasthan. The mishap occurred today when the car's driver suddenly lost control and the vehicle fell into a ditch after colliding with a road divider near Jaishree cinema on national highway 14 in Deesa town," a police official said.
The deceased have been identified as - Dilip Mehta (40), his wife Mamta Mehta (37), their son Vrishabh Mehta (12) and Dilip's brother Vinod Mehta (30).
A case has been registered in connection with the accident, they added.