Kanksa was an assembly constituency in Paschim Bardhaman district in the Indian state of West Bengal.
Ankure Saresh of CPI (M) won the Kanksa (SC) assembly seat in 2006, 2001, and 1996 defeating his nearest rivals, Lakshi Narayan Saha of Trinamool Congress in 2006 and Himangshu Mondal of Congress in 2001 and 1996.
In 1991 and 1987, Krishna Chandra Halder of CPI (M) defeated Manik Lal Bouri and Samir Kumar Saha, both of Congress in the respective years.
Amlajora, Gopalpur and Molandighi gram panchayats of Kanksa community development block are part of 276 Durgapur Purba Assembly constituency.
Kanksa, Trilokchandrapur, Bankati and Bidbehar gram panchayats of Kanksa CD Block are part of Galsi Assembly constituency.