This report provides a comprehensive overview of management consulting, detailing its functions, roles, and interactions. It begins by defining management consulting and outlining managerial functions such as planning, organizing, staffing, directing, and controlling. The report further examines managerial roles, including interpersonal, informational, and decisional roles, emphasizing the importance of leadership and communication. Client-consultant interactions are explored through supplementing, complementing, differentiating, integrating, and enhancing processes. The responsibilities of management consultants, including economic, legal, moral, and discretionary aspects, are discussed, along with various types of clients, such as contact, intermediate, primary, unwitting, indirect, and ultimate clients. Different modes of consulting, including the expert mode, doctor-patient mode, and process consulting mode, are analyzed. The report also addresses the reasons for business failure and strategies for planning against it, highlighting the role of consulting in business growth and strategic processes. Finally, it touches on marketing research, sales, finance, new product development, and both hard and soft side consulting, including operations management, IT management, human resources, and organizational development.