Udasar Bidawatan is a village in Sardarshahar tehsil in district of Churu, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Udasar Bidawatan was 1,583 which includes 772 males and 811 females. Udasar Bidawatan covers 1918.61 ha area. Pincode of Udasar Bidawatan is 331402.