HDFC Bank — Amazon No Cost EMI through HDFC Card ending 2733

I purchased a gadget from Amazon on 04/July/2020 on no cost EMI using my credit card ending 2733. My statement date is the 6th of every month so I was expecting the first installment to be included in my July 2020 credit card statement there by not having to pay unnecessary interest. To my surprise the first installment for the Loan which has a booking date as 06/July/2020 was intentionally delayed to August thereby causing unnecessary interest for (51days) @15% for me. This is never expected from a brand like HDFC. I believe this was a deliberate act from HDFC bank to earn more profit. I would request you to either revert me the unnecessary interest which is charged on my first installment to be paid on 26-Aug-2020 or cancel the no cost EMI and provide me an option to pay the whole amount else be sure to lose one of your old credit card customers (since 2009) . Also I would be complaining about it in consumer forum.

I have already sent a mail to your customer care regarding this which is not replied till date.

Loan number :[protected]

Thanks,
Abilash