Already told you but Axis Ace has no capped yet but it was discontinued new connection. It's offering 10% (upto 300) which is very good only if your billing is under Rs 3000.I guess it's going to be replacement for Ace Credit Card which give 5% on bill payment on GPay. It discontinued new connection about 3 months ago. May be new Axis Airtel Credit Card is to fill that gap.