Bairiya Kalan is a village in Ramnagar tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Bairiya Kalan was 666 which includes 341 males and 325 females. Bairiya Kalan covers 223 ha area. Pincode of Bairiya Kalan is 845106.