India, Dec. 4 -- Opening thoughts. We chatted last week about SaveSage, a fintech that is trying to use AI to help you save money and make the best redemptions with credit card transactions and loyalty programs. That got me thinking about something, and we must chat about this - why are India's credit card issues and indeed the Reserve Bank of India (RBI) ignoring the simple matter of listing the MCC, or merchant category code, on the payment authentication page (the one where you punch in an OTP) as a rule for online transactions? I ask that, because increasingly, credit card issuers and banks are restricting cashbacks for transactions based on this elusive MCC code. If anyone says memorise MCC codes, they're simply kidding you. Did you ...