In the by-election held in 2009, because of the election of the sitting MLA Suvendu Adhikari to parliament from Tamluk (Lok Sabha constituency), Dibyendu Adhikari of Trinamool Congress won the Contai South seat defeating Satyendra Nath Panda of CPI.

Sisir Adhikari of Trinamool Congress defeated Sukhendu Maiti of CPI in 2001.

Sailaja Kumar Das of Congress defeated Sukhendu Maity of CPI in 1996 and 1991.

Satyabrata Maity of Janata Party defeated Sudhir Chandra Das, Independent, in 1977.

In independent India's first election in 1951 Natendra Nath Das of KMPP won the Contai South seat.