120 Deganga Assembly constituency is composed of the following: Kadambagachhi and Katra gram panchayats of Barasat I community development block, and Amulia, Berachampa I, Berachampa II, Chakla, Chaurasi, Hadipur Jhikra I, Kalsur, Nur Nagar and Sohai-Shwetpur gram panchayats of Deganga community development block.

Contests in most years were multi cornered but only winners and runners are being mentioned.

Hassan Uzzaman of IUML defeated Dr. Mortoza Hossain of Forward Bloc in 1987.

[4] Rafiuddin Ahmed and Atul Krishna Roy, both of Congress, won the Deganaga joint seat in 1957.

[3] In independent India's first election in 1951, Rafiuddin Ahmed of Congress won the Deganga seat.