Ten passengers were injured when the Hyderabad-Kholapur Express collided with a goods train near Bellary on Saturday morning, police said.
The passengers, who suffered minor injuries, were given first aid, police said.
According to preliminary reports, failure of a signal was stated to be the reason for the mishap.
Two bogies behind the engine of the express train have been damaged due to the impact of the collision.
The goods train was bound for Andhra Pradesh with mining material.