Machharganwan is a village in Sidhaw tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Machharganwan was 1,607 which includes 838 males and 769 females. Machharganwan covers 103.3 ha area. Pincode of Machharganwan is N/A.