Mahdewa Adai is a village in Chauri Chaura tehsil in district of Gorakhpur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mahdewa Adai was 715 which includes 359 males and 356 females. Mahdewa Adai covers 45.2 ha area. Pincode of Mahdewa Adai is 273201.