The incident referred to as the Trincomalee massacre, occurred when the five Tamil high school students playing by the beach were briefly detained and then shot dead.
The incident drew a huge outcry among human rights groups calling on the government to bring to justice those killed in the incident.
The killing of the five students was also mention by non-governmental organisations at the UN Human Rights Council (UNHRC) in March this year.
Speaking just before the Universal Periodic Review (UPR) report on Sri Lanka was adopted, the father of one of the students killed in Trincomalee, broke down in tears and demanded justice for his son’s murder.
Dr Kasippillai Manoharan, the father of Ragihar, apologized to the Council as he struggled to speak while making his speech.