They said three labourers of MNREGA taking their mid-day meal were mowed down by a luxury four wheeler at Barli-Hanumanji area under Kalindri police station.
They were identified as Pangu Devi, Shanti Devi and Maisee Devi.
In another mishap, a man and his son were crushed to death and eight others injured when two 4-wheelers collided headon about five km away from Sirohi district headquarters, the police said.