Vailankanni feast is on 8th September One weekly train on Monday's 3 special trains on 28th Aug, 3rd Sept and 6Sept
One can also go via Bangalore and Ernakulam to Thanjavur, Nagapatinam Luxury bus tours leaving Goa Regular Buses to Bangalore and from bangalore to Velankani both leaving in the evening giving one whole day free time at Bangalore sight seeing etc Fine out more here https://joegoauk-pointofview.blogspot.com/2017/09/vailankanni.html
