The 12077 / 12078 MGR Chennai Central – Vijayawada Jan Shatabdi Express is a day-train, so called because as it returns to the station of origin on the same day.

It departs at 07:35 and reaches Vijayawada Junction at 14:45 taking 7 hours 10 minutes to cover 455 km.

On the return journey the train is numbered as 12078 and departs from Vijayawada Jn at 15:20 and arrives at Chennai Central at 22:30.

Except Tuesday All Days The Chennai–Vijayawada Jan Shatabdi is an 11-coach train and has 8 Jan Shatabdi class chair cars, 1 AC chair car and 2 luggage-cum-brake vans as part of its seating configuration.

[3] Initially it was operated from Chennai Egmore, after the gauge conversion gained steam, this train was shifted to Chennai Central to facilitate better punctuality of incoming trains from southern Tamil Nadu.