Mahulbani is a village in Sona Rai Tharhi tehsil in district of Deoghar, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Mahulbani was 392 which includes 198 males and 194 females. Mahulbani covers 39 ha area. Pincode of Mahulbani is 814150.