Machharganwa is a village in Bairia tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Machharganwa was 2,857 which includes 1,514 males and 1,343 females. Machharganwa covers 252.9 ha area. Pincode of Machharganwa is 845438.