Both the HDFC Diners Club Premium Credit Card and the HDFC Regalia Credit Card are high-end credit cards provided by HDFC Bank. The HDFC Regalia Credit Card is a travel-oriented card, whereas the HDFC Diners Club Premium Credit Card is a dining-oriented card. This is the fundamental distinction between the two.

Difference:

The HDFC Regalia Credit Card might be a better option for you if you frequently travel and desire a credit card that provides a variety of travel-related features and incentives. This card offers savings on hotel reservations, free golf rounds, and access to airport lounges, among other advantages.

The HDFC Diners Club Premium Credit Card, on the other hand, might be a better option for you if you enjoy dining out and want a credit card that provides a variety of dining-related advantages and points. This card's advantages include access to exclusive dining events as well as dining discounts and deals at particular restaurants.

Conclusion:

The decision between the two will ultimately come down to your particular tastes and spending patterns. Consider carefully comparing the features and advantages of each cards before selecting the one that best suits your requirements.

Refer to: https://cardinsider.com/blog/hdfc-regalia-vs-hdfc-diners-club-premium-credit-card/