Congress candidate and son of President Pranab Mukherjee, Abhijit Mukherjee, has won Jangipur Lok Sabha by-poll by 2,536 votes, defeating his nearest rival CPI-M's Muzaffar Hussain.
The by-election was held on October 10 as the seat had been left vacant after Pranab Mukherjee was elevated to the highest office of the country.