Dhelahari Buzurg is a village in Revelganj tehsil in district of Saran, Bihar, India. As per the data provided by Census of India in 2011, total population of Dhelahari Buzurg was 753 which includes 417 males and 336 females. Dhelahari Buzurg covers 112.9 ha area. Pincode of Dhelahari Buzurg is N/A.