Up Mahal Rewthi is a village in Nerua tehsil in district of Shimla, Himachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Up Mahal Rewthi was 56 which includes 31 males and 25 females. Up Mahal Rewthi covers 98.14 ha area. Pincode of Up Mahal Rewthi is 173210.