Mango (Magifera indica L.) is an important fruit crop. Mango sudden death syndrome is becoming very serious disease. Ceratocystis manginecans and Lasiodiplodia theobromae are the main causal organisms. During assessment and survey, incidence among assessed season showed that disease incidence was higher in spring season while disease incidence among assessed tehsils showed that Kot Addu was the most affected tehsil followed by Ali pur , Muzzafargarh while least affected was Jatoi. Maximum disease incidence was recorded on Chaunsa, followed by Sindhri,, Anwar Ratol and Malda.. Chaunsa proved to be the most susceptible among 4 observed commercial varieties while Malda showed resistance in field observation. The infected plants showed abundant gum secretion, bark splitting rotting and twig blight.