I. T.No. 12028/12027 Bangalore City – Chennai Central – Bangalore City Shatabdi Express trains have been temporarily augmented by one AC Chair Car, from 27.03.2013 to 30.06.2013, to clear waitlisted passengers.
II. T.No.12607/12608 Chennai Central – Bangalore – Chennai Central Lalbaugh and T.No.12609/12610 Chennai Central – Bangalore – Chennai Central expresses have been temporarily augmented by one second sitting for 6 months, from 28.03.2013 to 27.09.2013, to clear waitlisted passengers.