Chief of TMC's Disaster Control Room Santosh Kadam said the bus was on its way from Thane to Bhayander and overturned while overtaking another vehicle.
Paras Tulsidas Hirari (26), driver Appa Aanand Suryavanshi (46), Kader Suleman Khan (66), Megha Manoj Prab (38) were admitted to Thane civil hospital, while conductor T R Mukade (42) and two others were sent to Bhagwati hospital in Borivali.
According to officials, none of them was seriously injured.