As many as 3477 devotees would attend the annual St Anthony's Church festival to be held at Katchatheevu on February 21, according to the priest of the church, Justin.
He further said the pilgrims would arrive in 92 boats for the festival.
Food for the pilgrims would be provided by the Sri Lankan officials.
Meanwhile, Ramanathapuram District Collector Natarajan warned pilgrims against carrying with them any banned articles including liquor.
The pilgrims should board and alight only at Rameswaram harbour, he said.
Officials including Joint director of Fisheries Amala Xavier inspected the boats that are scheduled to leave for Katchatheevu on February 20 morning.
