Puraini Buzurg is a village in Piro tehsil in district of Bhojpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Puraini Buzurg was 1,000 which includes 522 males and 478 females. Puraini Buzurg covers 80 ha area. Pincode of Puraini Buzurg is N/A.