Lachhmi Chak is a village in Barharia tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Lachhmi Chak was 869 which includes 440 males and 429 females. Lachhmi Chak covers 50 ha area. Pincode of Lachhmi Chak is N/A.