An on-duty train clerk was hit with a stone by an unidentified person in Vasco town in Goa, police said.
Ramraj Kumar was in his cabin when he was attacked at around 11:30pm on Sunday, a police official said.
"He was hit on the head by a person who entered the cabin ans then fled. Kumar is undergoing treatment at Goa Medical College and Hospital. Efforts are on to nab the accused," he said.