In India, the scenario is not different when compared to the world scenario. The best strategies are not able to prevent the complications suggesting that alternative treatment strategies are needed. Insulin-dependent uptake of glucose is reduced in magnesium deficiency. Magnesium supplementation improves glucose tolerance. So one such treatment strategy under research is supplementation of magnesium and its role in primary prevention of diabetes and slowing the progression of complications that is related to the dreaded disease. So before anything it is best to understand the profile of serum magnesium in type 2 Diabetes mellitus. So this study is dedicated for this above said cause.