The car was going from Mumbai to Mandangad in Ratnagiri district when it collided head-on with the bus coming from the opposite direction close to Indapur village at around 7 AM, Raigad police control room said.
The bus was going from Panaji to Mumbai.
In the accident, all five occupants of the car and one bus passenger died on the spot, police said.
The five occupants of the car were from the same family, they said.
The bus passenger who died in the mishap was yet to be identified, police said.
A case has been registered and further investigation is on, they added.
