🔹Train no. 12840/MGR Chennai Central - Howrah Mail (PT) JCO 10/10/2023, 12/10/2023, 17/10/2023, 24/10/2023 and 31/10/2023 will be rescheduled to leave from MGR Chennai Central at 20:30 hrs (Delay by 01hr 30mins).🔹Train no. 12840/MGR Chennai Central - Howrah Mail (PT) JCO 21/10/2023, 28/10/2023 and 04/11/2023 will be rescheduled to depart from MGR Chennai Central at 19:40hrs (Delay by 40mins).🔹Train no. 12840/MGR Chennai Central - Howrah Mail (PT) - Revised Coach Composition W.E.F. 11/12/2023 will be as follows ;- AC First - 1, AC 2 Tier - 3, AC 3 Tier - 8, AC 3 Economy - 2, Sleeper - 3, General - 2, Pantry - 1, LSLRD - 1, EOG - 1.