India, July 15 -- Central Railway (CR) has introduced a new operating protocol for its AC local trains with immediate effect after three passengers fell ill on Monday morning inside an AC train. The mishap happened inside the 8.33 am Titwala-CSMT AC local, where the cooling system failed to work for around 16 minutes.

On Tuesday, CR officials said that the new protocol had already been communicated to the motormen. "The passengers will now be deboarded at the next station if an AC local develops a fault in the cooling system and the rake will be withdrawn from service for inspection and repairs," said a CR official, adding that the reasons behind Monday's AC breakdown were still being investigated.

According to CR officials, in the inci...