At least three persons were killed and 19 others sustained injuries in two separate road mishaps in the western Indian state of Rajasthan early Sunday morning, said police.

While two persons were killed when the van in which they were traveling collided head-on with a truck in Harmada area, a child was killed and 19 others injured when a mini bus in which they were traveling turned turtle after being hit by a speeding truck.

The injured have been admitted to a local hospital, he said, adding a probe has been ordered into both incidents.

Road accident rate in India is among the world's highest, with at least 100,000 people killed each year on the road.