An extensive survey was done in sixty seven mango growing areas of different villages in and around the Varanasi region for the period of two successive years. The disease incidence varied from 0- 68.30%. The maximum disease incidence (68.30%) was recorded in village Adalpura of red rust disease on mango in July of second year. The higher disease prevalence was recorded in Adalpura on Amrapali cultivar of mango i.e. 18.30% and 68.60% in both of the years respectively. The lowest disease prevalence was found in local cultivars of mango i.e. 2.60 % and 7.60% in first year and second year respectively.