Gosai Nagar is a village in Gudha Malani tehsil in district of Barmer, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Gosai Nagar was 460 which includes 241 males and 219 females. Gosai Nagar covers 619 ha area. Pincode of Gosai Nagar is 344033.