Upadhya Sagar is a village in Ramgarh tehsil in district of Kaimur, Bihar, India. As per the data provided by Census of India in 2011, total population of Upadhya Sagar was 408 which includes 208 males and 200 females. Upadhya Sagar covers 123 ha area. Pincode of Upadhya Sagar is 802132.