AHMEDABAD, NOV 25: Two coaches of the Mumbai-Baroda Express were set afire by irate commuters at Nabipur, near Broach railway station in South Gujarat today, police said.Enraged over introduction of a new train `Gandhidham Express', earlier known as Sayaji Express, and extension of its route, that would affect pass holders, the passengers went on a rampage and set the bogies afire near Nabipur station.However, no one was injured, police said adding that about 20 passengers were arrested in this connection.The train later proceeded on its onward journey after the two affected bogies were detached. Traffic on Ahmedabad-Mumbai route was later restored, Western Railway sources added.