I had this problem before but got fixed within few days. Now the same problem has returned. Amazon is not redirecting me to the bank's page after entering the CVV while purchasing GVs. Is anyone experiencing the same?
Do a swipe at a POS one time, and then use it on amazon, by the Kotak is facing a lot of issues in card payments, be it CC on UPI or normal usage, call customer care and they will say that take a screenshot and send to service.cards@kotak.com, they will fix it but you may have to follow-up