The boy, a sixth-standard student, hired a taxi on April 13 in Gudur town towards Molakondla village of Nellore and sat on the front seat. After travelling some distance, the boy took out a blade and slit the throat of car driver Karimullah, they said.
The condition of the car driver is stable, police said.
"After the incident, the driver stopped the car even as the boy got out and tried to run away, though he was caught by some locals. During enquiry, the boy revealed that he cut the throat of the driver after being "influenced" by seeing a Telugu movie, the previous night," a police official said.