 Palanimanickam joined the DMK during the Anti-Hindi agitation of 1965 through his father Subbiah Vanniyar was a staunch Congress party worker and an aide of R Venkataraman and G K Moopanar.General-Secretary, All India Peace and Solidarity, Tamil Nadu Unit; His interest are toward working for the upliftment of weaker sections of the society and has special interests in rural education and upliftment of the rural youth.He led a delegation of students to the then U.S.S.R. for attending youth festival, attended UN General Assembly in 2001-02 in New York, attended SAARC Parliamentarians Conference in Bangladesh, visited Egypt and South Africa as member of Indian Parliamentary Delegation during 13th Lok Sabha, visited Arab Countries as member of Peace Delegation in 2004.