Vidhan Sabha constituency
|Lok Sabha constituency||Calcutta North East|
|Constituency||Name of M.L.A.||Party Affiliation|
|1951||Vidyasagar||Narayan Chandra Roy||Independent|
|1957||Narayan Chandra Roy||Communist Party of India|
|1962||Narayan Chandra Roy||Communist Party of India|
|1967||Narayan Chandra Roy||Communist Party of India (Marxist)|
|1969||Samar Kumar Rudra||Communist Party of India (Marxist)|
|1971||Md. Shamsuzzoha||Indian National Congress|
|1972||Md. Shamsuzzoha||Indian National Congress|
|1977||Samar Kumar Rudra||Communist Party of India (Marxist)|
|1982||Lakshmi Kanta Dey||Communist Party of India (Marxist)|
|1987||Lakshmi Kanta Dey||Communist Party of India (Marxist)|
|1991||Lakshmi Kanta Dey||Communist Party of India (Marxist)|
|1996||Tapas Roy||Indian National Congress|
|2001||Lakshmi Kanta Dey||Communist Party of India (Marxist)|
|2003 by-election||Anadi Kumar Sahu||Communist Party of India (Marxist)|
|2006||Anadi Kumar Sahu||Communist Party of India (Marxist)|
|CPI (M)||Anadi Kumar Sahoo||28,992||49.70|
|Independent||Ajoy Kumar Biswas||128||0.2|
|CPI (M) hold||Swing||10.65#|
.# Swing calculated on Trinamool Congress+BJP vote percentages taken together in 2006.
In the 2006 state assembly elections, Anadi Kumar Sahu of CPI(M) won the 157 Vidyasagar assembly seat defeating his nearest rival Pryal Chaudhury of Congress. Lakshmi Kanta Dey of CPI(M) defeated Mahua Mondal of Trinamool Congress in 2001. Tapas Roy of Congress defeated Dr Abir Lal Mukherjee of CPI(M) in 1996. Lakshmi Kanta Dey of CPI(M) defeated Tapas Roy of Congress in 1991, Samir Chakraborty of Congress in 1987, and Biren Mahanti of Congress in 1982. Samar Kumar Rudra of CPI(M) defeated Tapan Kumar Sikdar of Janata Party in 1977.
Md. Shamsuzzoha of Congress won in 1972 and 1971 defeating Samar Kumar Rudra of CPI(M) in both the years. Samar Kumar Rudra of CPI(M) won in 1969 defeating Mrinal Kanti Rudra of Congress. Narayan Chandra Roy representing CPI(M) won in 1967 defeating D.L.Dutt of Congress. Narayan Chandra Roy representing CPI won in 1962 defeating B.Halder of Congress and 1957 defeating Shankar Prasad Mitra of Congress. In independent India’s first election Narayan Chandra Roy, contesting as an Independent candidate won the Vidyasagar assembly seat defeating Nalin Chandra Pal of Congress.