Kharasin is a village in Sonbhadra Banshi Suryapur tehsil in district of Arwal, Bihar, India. As per the data provided by Census of India in 2011, total population of Kharasin was 4,354 which includes 2,150 males and 2,204 females. Kharasin covers 527 ha area. Pincode of Kharasin is 804419.