Chennai Central – Thiruvananthapuram – Chennai Central AC Superfast Express
Train No.22207 / 22208 Chennai Central – Thiruvananthapuram – Chennai Central Duronto Express trains (Bi-weekly) will be converted to run as AC Superfast Express trains, with Rajdhani Fares, with effect from 22.11.2013, with commercial stoppages at Ernakulam Jn. and Kollam.
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Train No.22207 Chennai Central – Thiruvananthapuram AC Superfast Express (Bi-weekly) will leave Chennai Central at 16.30 hrs., leave Ernakulam Jn. at 01.55 hrs., leave Kollam at 04.02 hrs., and arrive Thiruvananthapuram at 05.45 hrs. the next day. In the return direction, Train No. 22208 Thiruvananthapuram – Chennai Central AC Superfast Express (Bi-weekly) will leave Thiruvananthapuram at 21.30 hrs., leave Kollam at 22.27 hrs., leave Ernakulam Jn. at 00.45 hrs., and arrive Chennai Central at 10.30 hrs. the next day.
Source: SR press release