So even after masking starting 4 n ending 4, after giving the statement they will get to know the last 4 digits. And by knowing the card they may also knowing the first 4, hence in the end they'll be knowing everything including expiry date except cvv.
Best is to turn off txns and replace as...
Actually, no... Once rupay gets more traction they'll devalue like anything... And then the customers will not think twice to change the franchise... But moreover a healthy competition will definitely be in the future...
Always Consider Paying the statement generated amount including refunds...
Immediately pay the remaining amt and Try calling customer care and convince them your case and tell them it is a one time mistake and to reverse the all the charges this time.
They might reverse most of the amt...
In my...
Fill the form again, if you get a call tell them to reprocess my application either directly or delinking your number.
If they reply that they can't, cut the call n again fill the form and ask the same.
Repeat the process... No pain no gain