The product that is kept in warehouse are either tracked by box in box out or by pieces. So, each product are linked with the QR code. Therefore, each product can be serially tracked by just scanning the QR code and its status can been seen updated on QR code. Other than this the QR code scanning is very helpful to the floor people or the people who are in operation as they come to know where the product is kept, what quantity of product needs to be dispatched by just scanning the QR code of GRN. Similarly by scanning the QR code of sales order we can see the updated status of pick pack and ship.