Risk is a destructive and serious problem that may happen in the future of the software project. The definition of risk is an indicated negative thing. However, in software project development risk has two meanings. One is the opportunity for the developer and customer if it gives motivational consequence on the project objectives and the other one is a negative risk that affects the project objectives and may lead to the failure of the project. Improper assessment of negative risk is the main reason for the failure of SP.