Each unique code printed behind the label of a Promotion Product can only be used once on the promotion website. If you want to participate again, you must use a new unique code. If you are still facing issues, please get in touch with us at indiahelpline@coca-cola.com or call us at 1800-208-2653 (Timings: 09:00am-09:00pm Mon-Sat, 09:00am-06:00pm Sun).