➢Dravida Munnetra Kazhagam (DMK) leads a strong secular alliance with Congress ➢All India Anna Dravida Munnetra Kazhagam (AIADMK) joined with BJP ➢Vijay’s Tamilaga Vettri Kazhagam (TVK) is contesting alone ➢Pattali Makkal Katchi, Viduthalai Chiruthaigal & CPI join alliances ➢Smaller parties and independents also shape the contest.