NELLAI SF EXP (12631) runs from Chennai Egmore (MS) to Tirunelveli (TEN). It has classes first ac (1A), second ac (2A), third ac (3A) and sleeper (SL). 12631 seat availability and train info is available on Trainman. It is a superfast train and covers a distance of 650 kms in 24.0 hours. This train runs daily. It has 13 halts. This train runs with an LHB Rake and does not have a pantry car. Final chart for 12631 is prepared usually 3-4 hours before train departure time or a day before if train departs early morning. You can check the live train status of train NELLAI SF EXP (12631) by clicking on the link below.