Santosh 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 Santosh Nagar was 284 which includes 157 males and 127 females. Santosh Nagar covers 259 ha area. Pincode of Santosh Nagar is 344033.