Sehari Hardon is a village in Mankapur tehsil in district of Gonda, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Sehari Hardon was 679 which includes 312 males and 367 females. Sehari Hardon covers 158.77 ha area. Pincode of Sehari Hardon is 271312.