Every organization is made up of both ‘formal’ as well as ‘informal’ dimensions. According to (Blau and Scott, 1962) it is simply not possible to know or understand the workings of an organization without a sound understanding of its informal character.” According to a study made by Pettigrew “organizational cultures consist of cognitive systems explaining how people think, reason, and make decisions (Pettigrew, 1979) Some researchers argued that the concept of organizational culture emerged in part out of the dissatisfaction with the fundamental inadequacies in traditional methods of exploring the dynamics of organizations (Van Maanen, 1979. Evered and Louis, 1981).