Saru Doani is a village in Marigaon tehsil in district of Morigaon, Assam, India. As per the data provided by Census of India in 2011, total population of Saru Doani was 148 which includes 73 males and 75 females. Saru Doani covers 124.74 ha area. Pincode of Saru Doani is 782105.