Banashyam Nagar is a village in Patharpratima 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 Banashyam Nagar was 5,347 which includes 2,685 males and 2,662 females. Banashyam Nagar covers 672.3 ha area. Pincode of Banashyam Nagar is 743371.