IndiGo Airlines and HDFC Bank have collaborated to offer a credit card to its customers which is 6E Rewards - IndiGo HDFC Bank Credit Card where all your expenses can be converted to book IndiGo flights. The annual fee for this card is Rs.700.

Click on this link to know more about the hdfc indigo credit cards in India:

https://www.easyfie.com/read-blog/1029335_features-and-benefits-of-hdfc-indigo-credit-cards.html