Twenty per cent of India's population in the metros and above the age of 30 years suffer from the deadly duo of diabetes and high blood pressure according to a large-scale government study released recently. Over 4 crore people from across the country screened under the Government's National Programme for Prevention and Control of Cancer Diabetes Cardio-vascular Diseases and Stroke (NPCDCS) has revealed that 6.34 per cent of the population is suspected to be suffering from diabetes and over 6 per cent are hypertensive. Dr Upendra Kaul Executive Director and Dean Cardiology Escorts Heart Institute and Fortis Hospital says Unless