Apply SBI Virtual RuPay debit card and pay cc bill via phonepe app, paytm app, freecharge app, sbi unipay, billdesk website without any extra charges on RuPay.
Amex and SCB bank cc bill also supported via billdesk using RuPay variant.
Virtual visa user block card and apply virtual RuPay debit card
Of course you will get reward points too on all these websites/apps.