Background: The most common kind of diabetes in the world is type 2 diabetes mellitus. Most instances in western nations include obesity. The situation can be different in several regions of India. A significant frequency of lean type 2 diabetes mellitus has been noted in studies with a body mass index under 19 kg/m2. To connect biochemical markers with anthropometric measurements and to assess the metabolic state of lean vs. overweight/obese type 2 diabetes mellitus (T2DM) patients