Gusai Gaon is a village in Devprayag tehsil in district of Tehri Garhwal, Uttarakhand, India. As per the data provided by Census of India in 2011, total population of Gusai Gaon was 262 which includes 115 males and 147 females. Gusai Gaon covers 72.98 ha area. Pincode of Gusai Gaon is 249122.