In 2011 assembly elections in Tamil Nadu, Palanichamy.Cholan.Ct of AIADMK won the Karaikudi assembly constituency.
In 2006 assembly elections in Tamil Nadu, Sundaram.N of INC won the Karaikudi assembly constituency.
In 2001 assembly elections in Tamil Nadu, Raja. H of BJP won the Karaikudi assembly constituency.
In 1996 assembly elections in Tamil Nadu, Sundaram, N. of TMC(M) won the Karaikudi assembly constituency.
In 1991 assembly elections in Tamil Nadu, Karpagam M. of ADK won the Karaikudi assembly constituency.