Sheikhsar (Hindi: शेख़सर) also known as Sukhchainpura, is a village in
Lunkaransar tehsil of
Bikaner district in
Rajasthan, India. It is situated on the north-east border of the district adjoining
Churu and
Hanumangarh district boundaries. The village has a population of 5820 out of them are Scheduled Caste(SC) 1182 and Scheduled Tribe(ST) 4.