Central Railway has notified increase in frequency of Train No. 22157 / 22158 Mumbai CSMT – Chennai Egmore – Mumbai CSMT Tri-Weekly Superfast Express and Train No. 22153 / 22154 Chennai Egmore – Salem – Chennai Egmore Tri-Weekly Superfast Express as Daily Superfast Express as detailed below.
1. Train No. 22157/22158 Mumbai CSMT – Chennai Egmore – Mumbai CSMT Daily Superfast Express Trains
| Train No | Days of run | With effect from |
| 22157 Mumbai CSMT – Chennai Egmore Daily Superfast Express Trains | Daily | 12.12.21 |
| 22158 Chennai Egmore – Mumbai CSMT Daily Superfast Express Trains | 15.12.21 |
2. Train No. 22153/22154 Chennai Egmore – Salem – Chennai Egmore Daily Superfast Express Trains
| Train No | Days of run | With effect from |
| 22153 Chennai Egmore – Salem Daily Superfast Express Trains | Daily | 13.12.21 |
| 22154 Salem – Chennai Egmore Daily Superfast Express Trains | 14.12.21 |
