Kalarchar is a village in Barkhetri tehsil in district of Nalbari, Assam, India. As per the data provided by Census of India in 2011, total population of Kalarchar was 2,906 which includes 1,467 males and 1,439 females. Kalarchar covers 786.05 ha area. Pincode of Kalarchar is 781312.