This article discusses the decreasing relevance of classical theories of management in the 21st century business environment. It explores the reasons why classical theories are not suitable for the fast-changing global environment and the importance of social needs and job satisfaction in modern organizations. The article also highlights the shift towards employee participation in decision making and the need for multi-tasking skills. Additionally, it discusses the impact of technology, the importance of innovation, and the changing economic landscape on the relevance of classical management theories.