Generation is considered as one factor of many that show ‘what we are’. “Every generation of employees is unique, valuable, and special, in reality, each tend to view the other differently based on their own life experiences and expectations”(Angeline, 2011). Currently originations are the place of employment for almost three generations (Baby boomers, generation X and generation Y). And in organizations workforce management is the major issue. To manage these workforces understanding their attitudes, work beliefs, characteristic and values are essential. The objective of the present study is a theoretical revision that aims to broaden the understanding of generations in workplace on different variables to apprehend the nature and characteristics of existing generations. The findings of the work guide the managers and organizations on how to utilize different generation for the effectiveness and efficiency& for developing organizations and also eliminates the perception and misunderstandings of generations.