Stay updated on 12840 MAS HWH SF MAIL running status live! The 12840 train operates from Chennai (Chennai Central) to Kolkata (Kolkata Howrah Junction), travelling through a total of 35 stations. Check the current location, schedule and status of 12840 MGR Chennai Central - Howrah Mail train on 11 Mar 2025. See the distance, station name, arrival and departure time of each stop along the route. Check live running status of train 12840 MGR Chennai Central - Howrah Mail Express on RailYatri. It departs from MGR CHENNAI CENTRAL | MAS at 19H. Download app to get your live train updates today! Live running status of train MAS-HWH MAIL - 12840, spot your train MAS-HWH MAIL - 12840 online, find current location of train MAS-HWH MAIL - 12840 on mobile.
