Chennai, Jan 17 (ANI): Addressing mediapersons in Chennai, Inspector General of the Indian Coast Guard SP Sharma said that jailed fishermen were exchanged with Sri Lanka. However, he said that one Indian fisherman was unwell to go on onboard and therefore a total of 51 Indian fishermen returned back. He stated this on the sidelines of three-day Coast Guard Sailing Cup 2014 that started on Wednesday. The Indian navy handed over 52 fishermen to Sri Lanka, while 51 Indians went the other way. One Indian remains in hospital in Sri Lanka and 236 others are still detained there. Some 152 Sri Lankan fishermen remain in India.