With Prime Minister Narendra Modi present when the issue was being raised, there was a demand from members belonging to DMK, CPI-M and CPI that he should respond to their concern.
Raising the issue during Zero Hour, T Siva (DMK) said that despite the issue having been raised in Parliament several times, it continues to happen regularly and it seems raising the matter in the House has become a "futile exercise".
Holding that the International Maritime Boundary Line between India and Sri Lanka (IMBL) and the issue of Kachchatheevu are "not settled", Siva urged the government to "first retrieve Kachchatheevu".
Replying to a Calling Attention Motion on Tamil fishermen issue in Lok Sabha, External Affairs Minister Sushma Swaraj had on Wednesday said that a proposal involving the development of a National AIS (Automatic Identification System) Network for effective tacking of small fishing vessels fitted with customised AIS transponders and having early warning system on International Maritime Boundary Line is being explored for the safety and security of the fishermen.