Diabetes mellitus is a multifaceted set of disorders that share an abnormality in the body's utilization of glucose, leading to hyperglycemia. Once identified, sugar diabetes can be managed with a suitable regimen which includes insulin injections or oral medications to lower the level of glucose in the blood, nutrition therapy, weight loss programs for overweight individuals, and exercise. The most popular technique for determining blood glucose levels is an invasive one that is costly, unpleasant, and raises the risk of infectious disease transmission. Monitoring blood glucose levels by both the doctor and the patient is crucial to preventing the disease's deadly consequences, which include heart disease, blindness, renal failure, and amputations. There are many advantages to intensive therapy and frequent glucose monitoring. The race to develop the next generation of bloodless, painless, accurate glucose instruments has begun as a result of the rapid advancements in diagnostics. This project's primary goal is to create a portable, non-invasive blood glucose monitoring tool. Using optical radiation, the device should be able to measure the blood's glucose level and show the results on the LED panel. Additionally, by using a non-invasive strategy, we may avoid the drawbacks of an intrusive approach and keep a constant eye on the patient's blood glucose levels. Thus, by detecting diabetes mellitus early, we can lower the risk of major complications and death from the disease.