"The government of India has expressed concern over the tone and content of my remark. I am very sorry about that. That is not what I meant. I have a lot of respect for Tamil Nadu MPs. I cannot ask India to investigate its MPs," said Kariyawasam.
The special Sri Lankan envoy also claimed, "We are looking for home grown solutions, mechanisms to sort out the issue. There are lobby groups in the western part of the world, their campaign bothers us."
Kariyawasam had allegedly accused many Tamil Nadu MPs saying that they have links with LTTE. The controversial remark surfaced following the release of the video which shows killing of slain LTTE chief Velupillai Prabakaran's 12-year-old son Balachandran.
The Sri Lankan government earlier questioned the authenticity of the video calling it "concocted".
Callum McCrae, director of the documentary-Sri Lanka's Killing Fields: War Crimes Unpunished, said that the footage which shows the young boy's with his body bearing bullet holes, lying besides his "slaughtered bodyguards" was examined by Professor Derrick Pounder, a "respected forensic pathologist".
According to Channel 4, they also got "a series of high-resolution stills of the scene" which was examined by him.