ONLINE PURCHASE - DEBITED TWICE

To whom it may concern, you did not pay attention to my query, the amount was charged twice for the same purchase. Please find the print screen of my bank. To whom it may concern, I made a purchase order on September 27th - order number AZA***7 of total amount R3734.00; but then on the same day I've received an email saying that two items were refunded of the amount R273.96 (Unfortunately, some of the following item/s are out of stock). Now, just verifying my bank statement I was debited twice on my account. On October 3rd, I was debited R 3.734,00 (the cost of the total purchase order) and another amount of R 3.460,04 (the cost of the total purchase order minus the two items which was out of stock - invoice number Invoice No.: ***; Order ID: GE***ZA) ; can you please let me know why? Now I got an email from Saurabh that I got refunded R273.96 and it should be R 3.734,00. I've sent an email with the two debits and also a print screen off my bank statement, but no one responded. Please assist. Regards,