A mobile court here on Sunday arrested a fake doctor and sentenced him to one year's imprisonment in Faridpur town. The convict, Mamun Khan, 31, son of Abdur Rashid, is a resident of Talma village in Nagarkanda upazila of the district. A court led by Magistrate Parvez Mallik arrested Mamun from Talmarmor area and convicted him for not having any institutional education.