The vehicle was on its way to Raisen from Bhopal when the mishap occurred.
The deceased were identified as Shashi Jain (40), Varsha Shriwas (28), Manish Nath (45) and Kishan Banjara (70) all residents of Bhopal.
Of the 36 injured, six were serious and referred to Bhopal while the remaining ones were admitted to the district hospital for treatment, police said.
A case has been registered in this regard and further probe in on, police said.