Damoh SP DR Teniwar said that the incident occurred at Aajani Taparia village on Batiyagarh-Hatta Road around 11 pm on Friday when the family members were sleeping in their roadside mud house.
The accident took place around 8 am when the Itawa-bound bus from Gwalior collided head on with the dumper, police said.
Badole said the vehicle, carrying around 30 people, reversed and rolled down into the gorge after the driver lost control.
The accident took place at around 5.40 am near Hirnai village on the highway, located about 50 km from the state capital Bhopal
Two persons were killed and 10 injured in a head-on collision between a car and a multi utility vehicle in Madhya Pradesh.
The accident happened around 7 am when the women, who were cooks at an 'anganwadi kendra' were returning home after work.