Diabetes mellitus is the heterogeneous group of metabolic disorders which is characterized by the hyperglycemia. Allsuch conditions are supported by the combination of several insulin secretory defects and impaired insulin action.American Diabetes Association classify diabetes in to four different type including type 1 diabetes mellitus (T1DM)(presence of absolute deficiency of insulin and exogenous insulin dependency are the key identifiers), type 2 diabetesmellitus (T2DM) (various degree of insulin resistance preceding progressive insulin secretory defects), gestationaldiabetes mellitus (GDM) (diabetes during pregnancy) and diabetes due to other causes other than the above.
