The 18 fishermen, who were detained by the Sri Lankan Navy, returned home on Saturday.
The Madurai Bench on Tuesday ordered re-postmortem on the body of Rajkiran, a Pudukkottai fisherman who died last month after his boat was allegedly hit by a Sri Lankan vessel.
The Sri Lankan Navy apprehended 23 fishermen from Nagapattinam and Mayiladuthurai districts, southeast of Kodiyakarai for allegedly venturing into Sri Lankan waters on October 13.
The Sri Lankan court on Thursday extended the judicial custody of 23 fishermen from Nagapattinam and Mayiladuthurai to another 15 days.
Suganthan and Xavier continue to be in SL captivity; officials say detention likely to last until November 1
Since 2009, Sri Lanka has tightened security along the International Maritime Boundary Line. In January, four fishermen from Ramanathapuram were returned dead by the Lankan authorities.
Fishermen and women of Kottaipattinam continued their hunger strike for the second consecutive day, demanding action against the Sri Lankan Navy, on Thursday.
According to a statement by the Sri Lankan Navy, the body of the missing fisherman from Kottaipattinam was recovered on Wednesday morning.
The incident occurred near Neduntheevu late Monday night when the Lankan naval vessel rammed into the Indian fishermen's boat, throwing three of the occupants into the sea in the impact.
Condemning the incident, fishermen held a road roko in Kottaipattinam on Tuesday morning.
It is the first time since the pandemic that Sri Lankan authorities are remanding detained Nagapattinam fishermen, the official added.
The incident happened late on Wednesday near Katchatheevu when Lankan Naval personnel, who came in about 10 patrol boats, hurled glass bottles and stones, officials said.
The Lankan naval personnel also damaged fishing nets in 25 boats, while they were involved in fishing near Katchatheevu late last night, he said.
A 31-year-old Mandapam fisherman sustained injury during an attack by the Sri Lankan Navy while fishing at the sea on Wednesday.
When fishermen, who had set out for fishing in as many as 597 boats, Lankan navy personnel chased them away at gunpoint on Saturday night and "cut the nets up each costing about one lakh rupees."