If you do not have an invoice for a product bought from wonderchef.com, simply submit a request.
All you need to do is, give us your order number and your invoice copy will be mailed to you at the earliest. Alternatively, you can log in to your wonderchef.com account and check your order history.
In case you have not bought the product from wonderchef.com, kindly contact the retailer from whom you purchased the product asking them for an invoice copy.
Please Note: The Invoice copy is absolutely necessary to refer to the date of purchase and claim warranty.