It's not only near Katchatheevu but all over Jaffna seaboard. if you taking Katchatheevu back also ready to take Indian Tamils who works in central SL back to India as well.
http://www.zimbio.com/Democratic+Republic+of+the+Congo/articles/xmKGCScVIz4/Indian+Coast+Guard+back+Lankan+view+intrusion