The following train services will be temporarily augmented with additional coaches for the convenience of passengers travelling during Deepavali festive season.
- Train No. 12665 Kanyakumari – Howrah Express leaving Kanyakumari on 18th October 2025.(Sleeper Coach)
- Train No. 12666 Howrah – Kanyakumari Express leaving Howrah on 20th October 2025.(Sleeper Coach)
- Train No. 12695 MGR Chennai Central – Thiruvananthapuram Central Superfast Express leaving MGR Chennai Central on 16th, 18th and 20th October 2025.(Sleeper Coach)
- Train No. 12696 Thiruvananthapuram Central – MGR Chennai Central Superfast Express leaving Thiruvananthapuram Central on 17th, 19th and 21st October 2025.(Sleeper Coach)
- Train No. 16187 Karaikal – Ernakulam Junction Express leaving Karaikal on 17th and 20th October 2025.(Sleeper Coach)
- Train No. 16188 Ernakulam Junction – Karaikal Express leaving Ernakulam Junction on 18th and 21st October 2025.(Sleeper Coach)
- Train No. 16344 Thiruvananthapuram Central – Rameswaram Amritha Express leaving Thiruvananthapuram Central on 16th and 21st October 2025.(Sleeper Coach)
- Train No. 16343 Rameswaram – Thiruvananthapuram Central Amritha Express leaving Rameswaram on 17th and 22nd October 2025.(Sleeper Coach)
- Train No. 16603 Mangaluru Central – Thiruvananthapuram Central Maveli Express leaving Mangaluru Central on 16th, 18th and 20th October 2025.(Sleeper Coach)
- Train No. 16604 Thiruvananthapuram Central – Mangaluru Central Maveli Express leaving Thiruvananthapuram Central on 17th, 19th and 21st October 2025.(Sleeper Coach)
- Train No. 22639 MGR Chennai Central – Alappuzha Express leaving MGR Chennai Central on 16th and 21st October 2025.(Sleeper Coach)
- Train No. 22640 Alappuzha – MGR Chennai Central Express leaving Alappuzha on 17th and 22nd October 2025.(Sleeper Coach)
- Train No. 12075 Thiruvananthapuram Central – Kozhikode Janshatabdi Express leaving Thiruvananthapuram Central on 17th October 2025.(Second Sitting Coach).
- Train No. 12076 Kozhikode – Thiruvananthapuram Central Janshatabdi Express leaving Kozhikode on 17th October 2025.(Second Sitting Coach).