Background : Diabetes is the leading cause of blindness, end–stage renal disease, and non traumatic amputations in adults. Because diabetes is a progressive disorder, the importance of early and appropriate treatment cannot be overemphasized. Material and Methods : Patients of Newly diagnosed Type 2 Diabetes Mellitus attending the Out Patient Department (OPD) and indoor of Department of Medicine, Narayan Medical College, Sasaram, Bihar. Result : Left ventricular hypertrophy and LVDD which are considered as earliest changes of diabetic cardiomyopathy were 16.7%, 25% respectively even in normotensive patients and a significant positive correlation was observed between HbA1C and prevalence of LVH and LVDD in the newly diagnosed cases of type2 diabetes mellitus. Conclusion : HbA1C was significantly associated with complications including retinopathy, nephropathy, left ventricular hypertrophy and left ventricular diastolic dysfunction even in a symptomatic newly diagnosed cases of type2 diabetes mellitus.