Chala Kathar is a village in Diphu tehsil in district of Karbi Anglong, Assam, India. As per the data provided by Census of India in 2011, total population of Chala Kathar was 222 which includes 108 males and 114 females. Chala Kathar covers 15 ha area. Pincode of Chala Kathar is 782480.