Sonarpur Dakshin (Vidhan Sabha constituency) is an assembly constituency in South 24 Parganas district in the Indian state of West Bengal.
As per orders of the Delimitation Commission, No. 147 Sonarpur Dakshin (Vidhan Sabha constituency) is composed of the following: Ward Nos 8 to 24 of Rajpur Sonarpur municipality, and Kalikapur I, Kalikapur II, Langalberia, Poleghat, Pratapnagar and Sonarpur II gram panchayats of Sonarpur community development block.
Sonarpur Dakshin (Vidhan Sabha constituency) is part of No. 22 Jadavpur (Lok Sabha constituency). Sonarpur was earlier part of Calcutta South (Lok Sabha constituency).
Election results 
Note: New constituencies – 7, constituencies abolished – 8 (See template talk page for details)
Earlier Sonarpur had a single seat.
1977-2006 Sonarpur 
In the 2006 elections to the state assembly Shyamal Naskar of CPI(M) won the Sonarpur assembly seat reserved for scheduled castes defeating his nearest rival Nirmal Chandra Mandal of Trinamool Congress. Contests in most years were multi cornered but only winners and runners are being mentioned. In 2001, Nirmal Chandra Mandal of Trinamool Congress defeated Abha Mandal of CPI(M). Bhadreswar Mondal of CPI(M) defeated Nirmal Mandal of Congress in 1996 and 1991, and Sovaranjan Sardar of Congress in 1986. Gangadhar Naskar of CPI(M) defeated Ramkanta Mandal of ICS in 1982 and Gourhari Sardar of Congress in 1977.
1962-1972 Sonarpur 
Kansari Haldar of CPI won in 1972. Gangadhar Naskar of CPI(M) won in 1971, 1969, and 1967. Khagendra Kumar Roy Choudhury of CPI won in 1962