Once regarded as a single disease entity, Diabetes is now seen as a heterogeneous group of diseases characterized by a state of chronic hyperglycaemia, resulting from a diversity of etiologies, environmental & genetic factors acting jointly. Diabetes mellitus is causing an enormous burden on the people and economics worldwide. Now a days, it is a major concern in the developed as well as in the developing countries.The magnitude of awareness in Bangladesh remains unknown due to lack of country wide survey.