A 30-year-old AC coach attendant, who supplied impure water to passengers on the Tirunelveli-Jamnagar Express recently, was sentenced to 10 days simple imprisonment and fined Rs1,500.

The attendant, who hails from Rajkot, allegedly supplied water from the wash basin of a lavatory of the coach, a report in Times of India read. The RPF has now launched an operation to crack down on illegal water supply in trains.