Lachhuman Chak is a village in Darauli tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Lachhuman Chak was 1,304 which includes 680 males and 624 females. Lachhuman Chak covers 103 ha area. Pincode of Lachhuman Chak is N/A.