The incident occurred this evening, around 70 kms from here and due to the impact the vehicles caught fire and four persons including the auto-rickshaw driver were charred to death, Godavarikhani Deputy Superintendent of Police Vishnu Variyer said.
Of the injured, two have been shifted to Karimnagar District head quarters hospital and their condition is stated to be critical, the officer said.
Four others are admitted to Godavarikhani area hospital, Variyer said, adding the identity of the deceased was yet to be ascertained.