Kalyansar 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 Kalyansar was 3,137 which includes 1,618 males and 1,519 females. Kalyansar covers 4593.17 ha area. Pincode of Kalyansar is 331803.