Never go for HDFC Diners club cards. They charge premium but I am very disappointed with the features and services related to it. Even payment of the credit card bill is seeming painful.
They don’t have an online option for the credit card payment for the Diners cards if you don’t have Savings bank account with them. Online transfers with other banks not possible on this card. These cards don’t work with majority of online stores.
While proposing the card they claim that they have emi options like other HDFC cards and also boast of zero processing fee (but unfortunately they don’t give the written confirmation) EMI options never work in any stores.