Here we are talking about the 10% cashback. Its obvious if you cancel the order your original paid amout will be credited back to card! So in your case the MCC was wrong, so still its not confirmed if canceled orders on correct MCC will fetch 10% cashback or not. Lets wait and watch.It was for the 26-28 Jan offer. The MCC of Flipkart was different. I ordered a laptop and cancelled it. The amount was credited back to card