As per HDFC Bank official website (source
here) ....
"Membership for the HDFC Bank Infinia Credit Card is By Invite Only"
As per open sources (inter alia,
here and
here) ....
Salaried individuals in the private sector - should have a monthly income of ₹5 lakh to get the Infinia card.
Self-employed persons should have an ITR (Income Tax Return) of ₹60 lakh to get the card.
Government employees must have a monthly income of ₹3.5 lakh to qualify for the card.
Hope this helps.
🙂