If you want to cancel the order placed by you, then that order can be canceled only until it comes in processing. The order cannot be canceled after the order processing, nor can any refund be sought for the same.
Any order placed by you can be canceled till it is in processing. Once the order is processed, the order cannot be canceled and no refund can be sought for the same
The order will be processed after 30 minutes of placing the order. No cancellation or refund can be done after the order is processed.