Important Instructions Gift Vouchers are ACCEPTED at all Listed Outlets. Gift Voucher once expired cannot be revalidated. Multiple Gift Vouchers can be used in one bill. How To Redeem ? 1- Visit the listed Café Delhi Heights restaurant that accepts the Gift Voucher. Inform the cashier about the Gift Voucher before ordering food. 2- Order food & enjoy your meal! 3- Provide the Gift Voucher to the cashier at the time of billing & pay the remaining amount by card or cash if any.