Kalu Pakar is a village in Phenhara tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Kalu Pakar was 4,806 which includes 2,553 males and 2,253 females. Kalu Pakar covers 261 ha area. Pincode of Kalu Pakar is 845420.