Chennai: Tamil Nadu Chief Minister J.Jayalalithaa has requested Prime Minister Narendra Modi to intervene and secure the release of Indian fishermen and their fishing boats from Sri Lankan custody.

In a letter to Modi on Tuesday, text of which was released to the media on Wednesday, Jayalalithaa said: "I once again request your immediate intervention to secure the release of the 43 Indian fishermen from Tamil Nadu and their 55 fishing boats, including the 46 mechanised fishing boats, that are already under Sri Lankan custody."