The accident took place on Sunday evening on Ramtek-Bhandara road under Aroli police station limits, located 60 km from Nagpur
The truck driver had negligently parked the vehicle on the road without using any indicators. This act of carelessness created a dangerous situation for other motorists, an official from Aroli police station told news agency.
A car coming from behind rammed into the truck. The front portion of the car was badly damaged in the accident, he said.
Nine occupants of the car, including five children, were seriously injured, the official said.
The police rushed the injured persons, all residents of Bhandara district, to a hospital where three of them succumbed to their injuries, the official told news agency.
A case has been registered against the truck driver under relevant provisions, the police added.
In another incident, an Assistant Police Inspector (API) was booked on the charge of negligent driving after he rammed his car into an SUV carrying BJP workers near Nagpur city of Maharashtra, an official told agency on Sunday.
Nobody was injured in the incident which occurred on Saturday night when BJP workers were travelling to Wardha after attending a meeting of Deputy Chief Minister Devendra Fadnavis in Nagpur.
An argument ensued between the police officer and BJP workers after the accident.
BJP workers approached police and lodged a complaint following which an FIR was registered under Indian Penal Code and Motor Vehicles Act, the official told agency.