Introduction: Type 2 DM has a strong genetic component. The disease is polygenic and multifactorial. Among the identical twins the  concordance rate is 90%.In first-degree relatives with type 2 DM the risk of developing diabetes is 40%. Epidemiological studies indicate that type 2 DM appears to result from a collection of multiple genetic defects or polymorphisms, each contributing its own predisposing risk and modified by environmental factors.Methodology:All the patients underwent similar laboratory investigations, a 12 lead electrocardiogram was done for the patients in the study. All the 80 patients were then divided into two groups. The control group, in which included patients with type 2 diabetes mellitus diagnosed according to the criteria approved by the American Diabetic Association: Symptoms of diabetes plus casual plasma glucose concentration 200mg/dl (11.1mmol/L).Casual is defined as any time of day without regard to time since last meal. Results: In the study it was found that 22 patients [55%] in the study group had high blood pressure recording at the time of presentation as compared to only 12 patients[12%] in control group. Conclusion: It was seen that IHD and diabetes was commonly seen in the fourth to the sixth decade of life.