Diabetes mellitus is increasing alarmingly especially in developing country like India. The complications related to Diabetes lead to loss of life and also healthy life years lost. There are many factors contributing to the compications. The prevalance of magnisiuria in diabetics is long under reasearch. Magnesium is known to be important for endothelial function. We studied the prevalance of levels of magnesium in patients who had vascular complications associated with diabetes. We found a correlation that is not statistically significant.