Main BODY 1 Literature review According to Dupe, 2015, organisational communication plays a crucial role in managing inte-departmental communication between employeesasit reflects the process of flow of information from one person to another. Principle of written communication is a crucial role in managing cultural barrier in communication as in this motive of management is on developing trust among individuals which supports diversity in opinion and ideas.Informal communication among employees is another way of manging diversity and effective communication among staff of different departments.