Vidhan Sabha constituency
|Lok Sabha constituency||12. Krishnanagar|
|Electorate (year)||186,928 (2011)|
|Constituency||Name of M.L.A.||Party Affiliation|
|1951||Chapra||Smarajit Bandopadhyay||Indian National Congress|
|1957||Haringhata||Smarajit Bandopadhyay||Indian National Congress|
|Promatha Ranjan Thakur||Indian National Congress|
|1962||Chapra||Mohananda Haldar||Sanjukta Biplabi Parishad |
|1967||Jagannath Majumdar||Bangla Congress |
|1969||Salil Behari Hundle||Bangla Congress|
|1971||Sahabuddin Mondal||Communist Party of India (Marxist)|
|1972||Ghiasuddin Ahmad||Indian National Congress|
|1977||Sahabauddin Mondal||Communist Party of India (Marxist)|
|1982||Sahabauddin Mondal||Communist Party of India (Marxist)|
|1987||Mir Qusem||Communist Party of India (Marxist)|
|1991||Mir Quasem Mondal||Communist Party of India (Marxist)|
|1996||Mir Quasem Mondal||Communist Party of India (Marxist)|
|2001||Shamsul Islam Mollah||Communist Party of India (Marxist)|
|2006||Shamsul Islam Mollah||Communist Party of India (Marxist)|
|2011||Rukbanur Rahaman||All India Trinamool Congress|
In the 2011 election, Rukbanur Rahaman of Trinamool Congress defeated his nearest rival Samsul Islam Mollah of CPI(M).
|CPI (M)||Samsul Islam Mollah||74,802||45.54||+2.22|
|CPI (ML) Liberation||Bijoy Kumar Saha||2,765|
|AITC gain from CPI (M)||Swing||-11.32#|
.# Swing calculated on Congress+Trinamool Congress vote percentages taken together in 2006.
|Party||Seats won||Seat change|
|Indian National Congress||1||0|
|Communist Party of India (Marxist)||3||8|
|Revolutionary Socialist Party||0||1|
Note: New constituencies – 3, constituencies abolished – 1 (See template talk page for details)
In 2006 and 2001 state assembly elections, Shamsul Islam Mollah of CPI(M) won the Chapra assembly seat defeating his nearest rivals, Abdur Rashid Mollick of Congress in 2006 and Julfikar Khan of Trinamool Congress in 2001. Contests in most years were multi cornered but only winners and runners are being mentioned. Mir Quasem Mondal of CPI(M) defeated Julfikar Khan representing Congress in 1996, and Arun Kumar Ghosh of Congress in 1991. Mir Qusem of CPI(M) defeated Dilip Dutta of Congress in 1987. Sahabauddin Mondal of CPI(M) defeated Arun Biswas, Independent, in 1982 and Kazi Safluddin of Janata Party in 1977.
Ghiasuddin Ahmad of Congress won in 1972. Sahabuddin Mondal of CPI(M) won in 1971. Salil Behari Hundle of Bangla Congress won in 1969. J.Mojumdar of Bangla Congress won in 1967. Mohananda Haldar of Sanjukta Biplabi Parishad won in 1962, The Chapra constituency was not there in 1957. Smarajit Bandopadhyay and Promatha Ranjan Thakur, both of Congress, won from the Haringhata joint seat in 1957. In independent India’s first election in 1951, Smarajit Bandopadhyay of Congress won the Chapra seat.