Nilkanthapur 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 Nilkanthapur was 191 which includes 94 males and 97 females. Nilkanthapur covers 66 ha area. Pincode of Nilkanthapur is 815351.