The others were Swarna, Sisira, Sivasal, Sita, Sepalika, Rupa, Sujatha, Suranika, Chandrika, Sayuranga, Ravindra and Samurdhi.
He entered Medawachchiya Maha Vidyalaya in 1972 to study for the GCE Ordinary Level and became the head prefect of the school in 1974.
She was arrested by the security forces in 1988 and detained by the Athurugiriya Police where the students also staged a protest demanding her release.
In 1981, he participated for a discussion with Prof. Stanley Wijesundera, Chairman of the University Grants Commission, against the Education White Paper with other JVP union activists.
The union crew surrounded the parliamentary building with participation of 5,000 people against the White Paper in late 1981 and was also brutally attacked by the police.
In 1982, when the JVP's leader Rohana Wijeweera contested the presidential election, Herath acted as one of the main campaign organizers.
In 1983, he was believed to be promoted to the political bureau when several high ranking politburo members resigned after the JVP was banned.
He was the political and military leader who had been in the North Central Province for several years during the second uprising, including the Polonnaruwa, Anuradhapura and Trincomalee districts.
He later became the political and military leader of the Uva East region including Badulla, Moneragala and Ampara districts.
In 1987, he was active in the events such as May day celebration in 1987 defying the government ban and demonstrations against the Indo-Sri Lanka Accord signed on 29 July.
Herath was spotted on July 28, 1987, at 11 am near Fort Na Tress where he addressed more than ten thousand protesters against the agreement, stood on a wall.
While Wijeweera was under interrogation at Army headquarters in Colombo, an eyewitness reported seeing Herath, apparently tortured, in another room of the building.
[2] The government offered a different story, stating that Herath opened fire in Gampola, and was shot and killed by army commandos at around 1.40 am on November 13, 1989.