1) Diabetes is a chronic metabolic disorder resulting from inadequate insulin production or secretion that causes hyperglycemia. The main types are type 1 (insulin dependent), type 2 (non-insulin dependent), gestational diabetes, and those associated with other conditions. 2) Bone turnover refers to the rate of bone resorption and formation, which can be estimated by biomarkers like urinary NTX and CTX. 3) India has a high prevalence of diabetes and is the diabetes capital of the world, with over 62 million diabetic individuals in 2015 and a projected number of 101 million by 2030. Obesity is a major risk factor for type 2 diabetes.