Rani Sagar is a village in Behea tehsil in district of Bhojpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Rani Sagar was 7,711 which includes 3,967 males and 3,744 females. Rani Sagar covers 113 ha area. Pincode of Rani Sagar is 802165.