O. S. Manian: the career, year by year
- Assembly win
- Office held
- 1989
Contested Vedaranyam for the AIADMK and finished third.
- 1995
Elected to the Rajya Sabha for the AIADMK, for the 1995–2001 term.
- 2004
Lost the Mayiladuthurai Lok Sabha seat as the AIADMK's candidate, by 1,95,691 votes to the Congress's Mani Shankar Aiyar.
- May 2006
Lost Vedaranyam as the AIADMK's candidate, by 6,531 votes to the DMK.
- May 2009
Elected to the Lok Sabha from Mayiladuthurai for the AIADMK, by 36,854 votes over the Congress.
- 19 May 2016
Won Vedaranyam for the AIADMK, by 22,998 votes over the Congress.
- 23 May 2016
Sworn in as Minister for Handlooms and Textiles in Jayalalithaa's cabinet.
- 2 May 2021
Won Vedaranyam for the AIADMK, by 12,329 votes over the DMK.
- 4 May 2026
Won Vedaranyam for the AIADMK (polling was on 23 April).
See the full 2026 result