From humble origins as a farmer and tea shop owner to Fort St George, the seat of power in Tamil Nadu, he has travelled a path of unexpected twists and turns.
'OPS', as the new Chief Minister is called in political circles, is taking over in troubled times for his party and its unquestioned chief Jayalalithaa exactly in the same situation that had unfolded 13 years ago.
Incidentally, the politician had then chosen not to function from the chair on which his 'revered' leader sat while he performed the role of night watchman. He duly vacated the post after Jayalalithaa was acquitted in the case.
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He was also an agriculturist and began his political career when he was elected to Periyakulam Municipality. He went on to become its Chairman during 1996-2001.
A graduate, he was elected to the state Assembly in the 2001 elections and straightaway was made Revenue Minister by Jayalalithaa.
Panneerselvam also served as leader of the AIADMK legislative party and Leader of the Opposition for about two weeks after the party lost the Assembly elections in May 2006.