Barcode is an identification system for products. It is a representation of data of a product in the form of parallel lines varying in width and spacing between them. It is readable by a machine and is widely used in supermarkets, malls, stores etc.; for automatic identification of the product. ValCus offer barcode registration services across India. Barcode is a machine-readable image which quickly and accurately identifies a product. It is a unique global identification system which is used in the supply chain for articles like the product, logistic goods, entities of trade, location, documents etc. It is extensively used in retail supply chain management. The majority of the retail stores throughout the globe are using barcode system for product identification and its management. With the advent of industrialization, there is a rise in the products and its varieties. Owing to the tremendous growth of varied products, its number and frequency in supply chain manually capturing product information is a meticulous task. Thus a need was felt to have quick and precise identification of the products in the supply chain which has led to the development of Bar Code. Finally, it was designed in 1970 by George J. Laurer in the U.S.A.