in 2006 shyamal naskar of cpi(m) won the sonarpur (vidhan sabha constituency) defeating his nearest rival nirmal chandra mondal of aitc. in 2001, nirmal chandra mondal of aitc defeated abha mondal of cpi(m). bhadreswar mondal of cpi(m) defeated nirmal chandra mondal of inc in 1996 and 1991, and sovaranjan sardar of inc in 1987. gangadhar naskar of cpi(m) defeated ramkanta mondal of ics in 1982 and gourhari sardar of inc in 1977.