By-elections to Pudukottai constituency was held in Tamil Nadu on February 8 1997. Elections for two state assembly constituencies Coonoor and Aruppukottai were held on February 22 1998.The results were a sweep for the DMK. However all three seats were held by DMK from the 1996 election and there was a significant improvement by the AIADMK losing by very small margins in all three constituencies.