The incident occurred at a valley on Ramkachhar road when the bus was proceeding from Telsara village to the bride's place at Baisemar under Pali police station limits of the district last evening, Pali police station-in-charge BS Marawi said.
Thirty-five of the 100 passengers on board were injured in the incident, he said, adding, 13 of them who were critically injured were referred to a hospital at Ballarpur.
When the bus, belonging to a private travel agency, reached near the hilly region of Pali police station area, the driver lost control and it fell into a ditch.