In 2009 Bangaon Lok Sabha constituency was formed. Until then Bagdah, Bongaon Uttar, Bongaon Dakshin, Gaighata all these assembly constituencies were the part of Barasat Lok Sabha constituency. Gobinda Chandra Naskar was the first elected MP of this constituency.[3] He was also a member of West Bengal Legislative Assembly in four different terms.
Vidhan Sabha segments
Bangaon (SC) Lok Sabha constituency (parliamentary constituency no. 14) is composed of the following assembly segments
The bye election occurred on 13 February 2015 due to the death of sitting MP Kapil Krishna Thakur on 13 October 2014. Mamata Thakur of Trinamool Congress defeated Debesh Das of CPIM.[6]