Same reasons to me.
Nothing expect from them other than above.
But keep applying your other axis cards time when you fit think.
Try with another mobile number for other variants later.
Then there is chance to issue.
For small amounts between 100 to 500 kotak debit card swiping usually not provided by small shops.
So this pro card can useful for that txns.,
Kotak dc scan and pay not give 5% cb , I think??