Thiruvananthapuram. The schedule of the Chennai–Thiruvananthapuram Mail (12623) departing from Chennai Central was revised starting Monday. Southern Railway has announced that the train will now leave Chennai 15 minutes early. Until Sunday, the train departed from Chennai Central at 7.45 pm. It will now depart at 7.30 pm. This change will affect the train's arrival times in Kerala.
- Palakkad Junction. Previous timing - 3.52 am, New timing - 3.37 am
- Thrissur. Previous timing - 5.00 am, New timing - 4.40 am
- Ernakulam Town. Previous timing - 6.35 am, New timing - 6.20 am
- Kottayam. Previous timing - 7.52 am, New timing - 7.40 am
- Kollam Junction. Previous timing - 9.52 am, New timing - 9.45 am
- Thiruvananthapuram Central. Previous timing - 11.30 am, New timing - 11.20 am