Pachim Biroinhowar is a village in Silchar tehsil in district of Cachar, Assam, India. As per the data provided by Census of India in 2011, total population of Pachim Biroinhowar was 956 which includes 487 males and 469 females. Pachim Biroinhowar covers 89.44 ha area. Pincode of Pachim Biroinhowar is 788007.