TTV Dinakaran takes oath as MLA from the RK Nagar constituency of Chennai. The ruling All India Anna Dravida Munnetra Kazhagam in Tamil Nadu on Sunday suffered a major setback with rival faction candidate TTV Dinakaran winning the prestigious RK Nagar assembly bypoll, bettering J Jayalalithaas margin, while the Bharatiya Janata Party wrested two seats from the Congress in Arunachal Pradesh and retained one in Uttar Pradesh.