Edited sentence: 15 candidates are contesting the election including four candidates representing political parties.Arun Kumar of Desiya Murpokku Dravidar Kazhagam and G.Rajappan of Communists Party of India (Marxist), R.Ramakrishnan of Dravida Munnetra Kazhagam, M.Ramaraj of Uzhaippali Makkal Katchi.Sasikumar of Bharatiya Janata Party, K.the candidates include N