Seni Chhapra is a village in Mairwa tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Seni Chhapra was 192 which includes 102 males and 90 females. Seni Chhapra covers 10 ha area. Pincode of Seni Chhapra is 841239.