The document presents an overview of six organizational behavior (OB) models discussed by Dr. S. Gokula Krishnan, focusing on their characteristics, managerial orientations, and employee psychological outcomes. The models include autocratic, custodial, supportive, collegial, and system models, each emphasizing different factors such as power, economic resources, leadership, teamwork, and trust. It concludes by highlighting the importance of understanding organizational nature and employee needs when selecting an appropriate OB model.