Niz Mangalbecha 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 Mangalbecha was 1,006 which includes 502 males and 504 females. Niz Mangalbecha covers 257.61 ha area. Pincode of Niz Mangalbecha is N/A.