In today's competitive and challenging workplace, managers can't succeed on their technical skills alone. They also need to have good managerial skills to compete in blooming organizations. In addition, managers require good interpersonal skills and communication skills with warmhearted and straight-talking qualities. Such skills help them to lead even large entrepreneurs successfully. Such managers rise to the top of their profession with their managerial as well as technical skills. They are respected as visionary leaders and innovators. They have the ability to drive multinational organizations with well-diversified culture.Organizational behavior is the study of human behavior at work. The purpose of OB is to understand employee behavior at work to apply such knowledge for improving an organization's effectiveness. Organizational behavior studies three determinants of behavior in organizations: individuals, groups, and structure. OB applies the knowledge gained about individuals, groups, and organizational level behavior to make organizations more effective.