Diabetes is a condition where the body is unable to regulate the amount of glucose in the blood due to lack of insulin or it is the bodys inability to produce insulin.If left unchecked and uncontrolled, diabetes can lead to serious conditions including heart attack, stroke, blindness and kidney failure. Hence the patient has to constantly monitor the blood glucose level to keep it under control. Most current methods for self-blood-glucose-monitoring are invasive which require a blood sample for each test.The blood sampling can be painful and cause calluses to form.Hence Non-invasive methods...