In 2011 assembly elections in Tamil Nadu, Chinnaraj O K of AIADMK won the Mettupalayam assembly constituency.
In 2006 assembly elections in Tamil Nadu, Chinnaraj.O.K . of AIADMK won the Mettupalayam assembly constituency.
In 2001 assembly elections in Tamil Nadu, Selvaraj A.K. of ADMK won the Mettupalayam assembly constituency.
In 1996 assembly elections in Tamil Nadu, Arunkumar, B. of DMK won the Mettupalayam assembly constituency.
In 1991 assembly elections in Tamil Nadu, Sulochana L. of ADK won the Mettupalayam assembly constituency.