Kalwari Nankar is a village in Domariyaganj tehsil in district of Siddharth Nagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Kalwari Nankar was 973 which includes 484 males and 489 females. Kalwari Nankar covers 135.1 ha area. Pincode of Kalwari Nankar is N/A.