Kainri Nagar is a village in Kanha Chatti tehsil in district of Chatra, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Kainri Nagar was 2,674 which includes 1,380 males and 1,294 females. Kainri Nagar covers 452 ha area. Pincode of Kainri Nagar is 825401.