Kalahawar F V is a village in Sonai tehsil in district of Cachar, Assam, India. As per the data provided by Census of India in 2011, total population of Kalahawar F V was 366 which includes 182 males and 184 females. Kalahawar F V covers 62 ha area. Pincode of Kalahawar F V is N/A.