Dewal Garasari is a village in Karnaprayag tehsil in district of Chamoli, Uttarakhand, India. As per the data provided by Census of India in 2011, total population of Dewal Garasari was 120 which includes 53 males and 67 females. Dewal Garasari covers 57.7 ha area. Pincode of Dewal Garasari is 246429.