Maruai is a village in Haidergarh tehsil in district of Barabanki, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Maruai was 3,474 which includes 1,761 males and 1,713 females. Maruai covers 381.12 ha area. Pincode of Maruai is N/A.