Mon Basti 12 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 Mon Basti 12 was 891 which includes 449 males and 442 females. Mon Basti 12 covers 200 ha area. Pincode of Mon Basti 12 is 782480.