Radha Nagar is a village in Port Blair tehsil in district of South Andaman, Andaman and Nicobar Islands, India. As per the data provided by Census of India in 2011, total population of Radha Nagar was 637 which includes 367 males and 270 females. Radha Nagar covers 391.63 ha area. Pincode of Radha Nagar is N/A.