Dudhnai is a village in Baruipur 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 Dudhnai was 2,220 which includes 1,129 males and 1,091 females. Dudhnai covers 98.52 ha area. Pincode of Dudhnai is 743387.