Today change has turned out to be an essential element of everyone’s lives and for business existence as well. Most of the organizations with the necessity of change in their day-to-day operations have different ideas on change. The main focus of the paper is to understand the effect of change and its management in the achievement of business goals.  Moreover, the study aims to throw light on the prime concepts & various applications of change management with the help of the various change models on employee’s productivity. The effort to bring about change may face retaliations so businesses should incorporate means to curtail the resistance level and promote an even shift of change. Top level management have huge role to play in executing the change and they serve as a role model to successfully handle the change. With respect to implement an unbeaten change initiative, management and businesses must make sure that any prior plan for change must be associated with the company’s objectives as witnessed by many literatures in this current study certifying the relationship between change, change management and the accomplishment of corporate objectives. This present paper has been designed to analyze and to assess the effect of change management on worker’s productivity and the adverse effect of resistance to change by examining the case study of Nokia. It also explores the range of models that the management could pertain to minimize resistance towards change. In the present case study of Nokia McKinsey’s 7s framework model fits well.