Semra Mustahkam is a village in Harraiya tehsil in district of Basti, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Semra Mustahkam was 1,575 which includes 814 males and 761 females. Semra Mustahkam covers 54.37 ha area. Pincode of Semra Mustahkam is 273121.