Kasba Assembly constituency is a Legislative Assembly constituency of South 24 Parganas district in the West Bengal. The constituency is part of the Kolkata Dakshin parliamentary constituency. It is a general category assembly seat established in 2011 and one of the 294 assembly constituencies in the state. Kasba is also one of the seven assembly segments of the Kolkata Dakshin parliamentary seat. In the Vidhan Sabha elections 2021, Ahmed Javed Khan of AITC party won with 1,21,372 votes. The runner-up was Dr. Indranil Khan of BJP party, with a margin of victory of 63,622 votes. In the Vidhan Sabha elections 2016, Ahmed Javed Khan of AITC party won with 91,679 votes, defeating Shatarup Ghosh of CPM party by a margin of 11,884 votes.