Namu Jalain is a village in Fatehpur tehsil in district of Jamtara, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Namu Jalain was 210 which includes 115 males and 95 females. Namu Jalain covers 68 ha area. Pincode of Namu Jalain is 814166.