Kachua is a village in Bhangar II tehsil in district of South Twenty Four Parganas, West Bengal, India. As per the data provided by Census of India in 2011, total population of Kachua was 3,648 which includes 1,891 males and 1,757 females. Kachua covers 217.56 ha area. Pincode of Kachua is 743502.