The incident occurred when the driver of the asbestos laden mini truck left for Jamshedpur from Kamalpur but lost control over it, hitting the road side rock at Thantani Ghati last evening, officer-in-charge of Patamda police station Shristidhar Mahato said.
The driver and a labourer were killed and the vehicle was damaged in the collision.
Another labourer was sustained serious injuries, Mahato said.
The injured was admitted to M G M Hospital here.