[3] In independent India's first election in 1951, Haripada Chatterjee of KMPP won the Karimpur seat.

[2] In the 2006[15] and 2001[14] state assembly elections, Prafulla Kumar Bhowmick of CPI(M) won the Karimpur assembly seat defeating his nearest rivals Arabinda Mondal of Congress and Chira Ranjan Mandal of Trinamool Congress respectively.

[10] Samarendra Nath Sanyal of CPI(M) defeated Arabinda Mandal of Congress in 1977.

[9][18] In the 2011 election, Samarendranath Ghosh of the Communist Party of India (Marxist) defeated his nearest rival Dr. Ramen Sarkar of All India Trinamool Congress Rajib Sekh, contesting as an independent candidate, was a rebel Congress candidate.

Due to Mahua Moitra resignation as MLA, By poll was held.