Chennai Metro Train Services to commence at 5:30 am instead of 7:00 am on tomorrow (10-10-2021) In order to facilitate the candidates appearing for UPSC Exam on tomorrow (10-10-2021), CMRL has decided to run its Metro Train services from 05:30 am instead of 7 am. The Metro Train services will run with 10 minute headway without peak hours throughout the day from 05:30hrs to 23:00hrs on 10/10/2021 (Sunday) only.First and last train timings will remain same as weekday timetable.