The Government Railway Police (GRP) have arrested a 21-year-old man for allegedly assaulting and injuring a ticket checker last month near Mumbai, an official said on Sunday.

The accused, Rahul Mohan Yadav, allegedly attacked the ticket checker with a hockey stick on September 19 after the railway official asked him to show his ticket at Nalasopara station, on the outskirts of Mumbai, the official said.

The 29-year-old ticket checker, Vijaykumar Naresh Pandit, suffered grievous injuries and was hospitalised, said senior inspector Anagaha Satavse of Vasai GRP.