Udasar Charnan is a village in Sridungargarh tehsil in district of Bikaner, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Udasar Charnan was 194 which includes 104 males and 90 females. Udasar Charnan covers 1270.7 ha area. Pincode of Udasar Charnan is 331801.