[2] The Sri Lankan government unlawfully arrested along with him, several thousands Tamil activists and he was sentenced to the Welikada Prison where he was subsequently killed during the anti-Tamil pogrom of 1983.
In a span of 5 years, the organization had a sound presence throughout the traditional homelands of the Tamils in Sri Lanka, in Jaffna, Kilinochchi, Mannar, Mullaitivu, Vavuniya, Trincomalee and Batticaloa.
[2][4] At the time of their arrest, the organization had 450 pre schools with an average of thirty students each were providing daily milk and triposha and Kindergarten teaching facilities to village children.
In addition, Gandhiyam with other social service organizations was assisting 5,000 refugee families from Tea Estates to settle down to safe life among the traditional Tamil villages.
[2] After constant monitoring and crackdown of their social activities by the Sri Lankan government forces, Rajasundaram along with David were finally arrested in April, 1983, under the infamous PTA.