With the development of technology, software is becoming critical for the success of many large systems. There are many risks involved in creating high quality software on time and within budget. The success of software product, both functionally and financially is directly related to the quality of the requirements. Software requirement risk addresses the possibility of suffering a loss of any functional or non-functional requirement of the system. It refers to the uncertainties caused by differences between the requirements perceived by developers and user groups' expectation of the system....