The victims identified as Prakash Malvade, Lokendra Thapa, Santosh Chinchode and Shravan Akul were returning to Pune when their Ford Figo vehicle hit a vehicle from behind and then collided with a portruding wall of a tunnel in Khambataki Ghat on the highway, they said.
According to police, the condition of the injured is critical and he is admitted to a local hospital.
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