Niz Chapai is a village in Mangaldoi tehsil in district of Darrang, Assam, India. As per the data provided by Census of India in 2011, total population of Niz Chapai was 824 which includes 428 males and 396 females. Niz Chapai covers 149.68 ha area. Pincode of Niz Chapai is 784125.