Recently the evolution of knowledge management has become increasingly important. Nowadays knowledge management has become interesting area for the research purpose for both researchers and practitioners. There are no unique and universally accepted definitions of knowledge management. Many researchers stated that knowledge management is like an engine which accelerates the performance of any organization and organizational economic growth. Knowledge management is the key achieving opportunities for better decision making and competitive advantage for organizations and also increase the efficiency and effectiveness of both educational and business organizations. There are several methods and techniques related to knowledge management are discussed in previous researches. In this approach, we looked at the developed model of knowledge management system as well as conceptual approaches of this expertise.