The need for change in project requirements is necessary for every organization due to change in technology,change in government policy,and change of customer or stakeholders requirements.Requirement Change Management RCM is not an easy task,especially in Global Software Development GSD where team members are globally distributed in different geographical location and a cultural difference is present between team members. So it becomes more difficult to manage these changes. There are a number of risks that are faced during requirement change management in global software development process. The aim of this research is to discuss these issues,tools and techniques that are being used to reduce the effectiveness of these issues in requirement change management. On the basis of these methods,propose a new model that will enhance the effectiveness of requirement change management process.