Tell EaseMyTrip team that they owe you 5% actual cashback, and if it is not credited, you will go to any extent to get it resolved and will also demand compensation for harassment and mental distress.
This happened to me once with Cleartrip. They tagged my transactions under “utility,” and I didn’t receive anything. I fought with Axis Bank, but they were not at fault.
I then blasted Cleartrip with all my energy, telling them they were engaging in unethical practices by assigning random MCC codes to flight transactions. I warned them that if I didn’t get my cashback, I would take the matter to consumer court. This approach worked, and Cleartrip refunded 5% of the transaction value to my Flipkart Axis card.