Ramjannagar is a village in Kulpi 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 Ramjannagar was 1,278 which includes 620 males and 658 females. Ramjannagar covers 22.93 ha area. Pincode of Ramjannagar is 743351.