Kaliaganj Assembly constituency

In the 2021 election, Soumen Roy of BJP defeated his nearest rival Tapan Deb Singha of Trinamool Congress.

A bye-poll was necessitated due to the death of the incumbent MLA, Pramatha Nath Ray. In this election, Tapan Deb Singha of Trinamool Congress defeated his nearest rival Kamal Chandra Sarkar of BJP.

In the 2016 election, Pramatha Nath Ray of Indian National Congress defeated his nearest rival Basanta Roy of Trinamool Congress.

In the 2011 election, Pramatha Nath Ray of Congress defeated his nearest rival Nani Gopal Roy of CPI(M).

.# Swing calculated on Congress+Trinamool Congress vote percentages taken together in 2006.

In the 2006 state assembly elections,[4] Nani Gopal Roy of CPI(M) won the Kaliaganj (SC) assembly seat defeating his nearest rival Pramatha Nath Ray of Congress. Contests in most years were multi cornered but only winners and runners are being mentioned. Pramathanath Ray of Congress defeated Ramani Kanta Debsarma of CPI(M) in 2001[5] and 1996.[6] Ramani Kanta Debsarma of CPI(M) defeated Pramatha Nath Roy of Congress in 1991[7] and Naba Kumar Roy of Congress in 1987.[8] Naba Kumar Roy of Congress defeated Nani Gopal Roy of CPI(M) in 1982[9] and 1977.[10][11]

Debendra Nath Roy of Congress won in 1972[12] and 1971.[13] Syama Prasad Barman won the Kaliaganj seat in 1969,[14] 1967[15] and 1962.[16] Prior to that the Kaliaganj seat was not there. In 1957 and 1951 Raiganj was a joint seat. Hazi Badirudddin Ahmad and Syama Prasad Barman, both of Congress, won from Raiganj in 1957.[17] Syama Prasad Barman and Gulam Hamidur Rahman, both of Congress, won from Raiganj in 1951.[18]