The numbers of diabetic patients are increasing year on year. Therefore the market of monitoring devices is also growing, according to Renub Research analysis, the CGM Market will be US$ 5.6 Billion by the year 2025. CGM is an essential device that offers real-time information on blood glucose levels and helps find a detailed blood glucose level pattern within 24 hours (288 reading). CGM gives Real-time reading every five minutes. Besides, since patients do not need to poke their finger, CGM is better than glucose-meter. For patients with daily hypoglycemia and hyperglycemia and glycemic targets, CGM is recommended.