K.R. K. Narasimhan, N. Ramakrishnan and S. Mathiyarasan, who emerged successful in the by-elections to the Bargur, Cumbum and Ilayangudi constituencies last week, were sworn in Members of the Legislative Assembly on Tuesday.
Speaker R. Avudaiappan administered the oath of office. All the three belong to the ruling party.
Chief Minister M. Karunanidhi, Deputy Chief Minsiter M.K. Stalin and Congress Legislature Party Leader D. Sudarssanam were among those present.