InterMiles Benefits - Touted to be one of the best credit cards for online shopping, InterMiles HDFC Bank diners Club Credit Card is certainly a co-brand card that you should make some room for in your wallet. From a whopping welcome bonus of 10,000 InterMiles to a first-quarter earning of 15,000 InterMiles, the chances of earning big miles on InterMiles with this card is quite high. You can even save big on booking flights and hotels by booking from InterMiles website and earn staggering InterMiles. Did we talk about the unlimited access and complimentary benefits of the card? From complimentary concierge services to unlimited airport lounge access, you will truly flaunt this credit card when shopping!