SILAMBU SF EXP (20681) runs from Tambaram (TBM) to Sengottai (SCT). It has classes first ac (1A), second ac (2A), third ac (3A) and sleeper (SL). 20681 seat availability and train info is available on Trainman. It is not a superfast train and covers a distance of 660 kms in 24.0 hours. This train runs on Wed, Fri and Sat. It has 20 halts. This train runs with an ICF-CBC Rake and does not have a pantry car. Final chart for 20681 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 SILAMBU SF EXP (20681) by clicking on the link below.