• 1962 Elected to Legislative Council
  • 1967 Elected to Legislative Assembly from St Thomas Mount
  • 1971 Reelected to Legislative Assembly from St Thomas Mount
  • 1977 Elected to Legislative Assembly from Aruppukottai
  • 1980 Elected to Legislative Assembly from Madurai West
  • 1984 Elected to Legislative Assembly from Andipatti
  • 1977-1987: Chief Minister of Tamil Nadu