Thiruvananthapuram: South Central Railway has notifified Onam special trains in the Bengaluru - Mangalaru route. 
Asper the media release, the special services are:

Train No. 06569 SMVT Bengaluru – Mangaluru Central Special Fare Special will leave SMVT Bengaluru at 16.35 hrs o­n 28th August, 2023 (Monday) and reach Mangaluru Central at 09.30 hrs, the next day (1 Service)
In return direction Train No. 06570 Mangaluru Central – SMVT Bengaluru Special Fare Special will leave Mangaluru Central at 20.05 hrs o­n 29th August, 2023 (Tuesday) and reach SMVT Bengaluru at 11.45hrs, the next day (1 Service)

Meanwhile, Train No. 06569 SMVT Bengaluru – Mangaluru Central Special Fare Special will have additional stoppage at Bangarapet. Similarly, train No. 06570 Mangaluru Central – SMVT Bengaluru Special Fare Special will have additional stoppages at Hosur and Dharmapuri.

South Central Railway has also notified special trains between Kacheguda – Kollam Sector to clear extra rush of passengers during o­nam Festival as detailed below:
Train No. 07044/07045 Kacheguda – Kollam – Kacheguda Special Fare Specials:

Train No. 07044  Kacheguda – Kollam Special Fare Special will leave Kacheguda at 17.30 hrs o­n 28th August, 2023 (Monday) and reach Kollam at 23.20 hrs, the Next day (1 Service)
In return direction Train No. 07045 Kollam – Kacheguda Special Fare Special will leave Kollam at 19.00 hrs o