T.No. 66021 Chennai Moore Market Complex-Tirupati MEMU service:
The train is modified to run as
Train No. 66021 Chennai Moore Market Complex- Arakkonam MEMU Service will depart Chennai Moore Market Complex at 19:10 hrs and arrive Arakkonam at 20:35 hrs.
Train No. 66049 Arakkonam – Tirupati MEMU service will depart Arakkonam at 20:40 hrs and arrive Tirupati at 23:25 hrs.