Dr. S Rajasundaram was a Sri Lankan Tamil activist known for his struggle for the rights of Tamil people in Sri Lanka, through peaceful and democratic means. Along with his friend S.A. David, He founded Gandhiyam, a social service organization, named after the Indian revolutionary Mahatma Gandhi, that was aimed at economic, social, cultural revival of the Tamils and also fight the Sri Lankan state's repeated and continued policies of oppressing the Tamils and denying them of their rights. 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.