The document discusses organizational change and change management. It defines organizational change as a significant alteration in the tasks, techniques, structure or people of an organization. It identifies forces for change such as improving cost effectiveness, developing new products, enhancing customer orientation, and expanding business. Resistance to change is also discussed, as are different types of change including structural, cyclical, planned, and unplanned. Evolutionary and revolutionary change are compared, and Kurt Lewin's three-stage change model of unfreezing, changing, and refreezing is explained. Finally, the concept of organizational development is introduced.