At least six people died and a dozen wounded after a car in which they were travelling rammed head on against a speeding Rajasthan Roadways bus on the Allwar-Bhiwadi highway on Monday,police said.
Most of the victims, were immigrant labourers.
They were thrown off the mini-vehicle under the impact of the collision.
The injured were taken to a hospital where their condition was stated to be critical.
Police said visibility on the highway was poor due to thick morning smog.