We have seen the brutal devaluations in Axis Bank credit cards. Many gamers have abused the system rampantly. Two guys from Gujarat collected lot of points by using the loopholes of Axis Bank cards and JioMart app. The points were redeemed for gold coins. Check out the complete news text taken...
https://www.business-standard.com/article/finance/to-woo-more-customers-hdfc-aims-to-issue-1-mn-credit-cards-every-month-122121900115_1.html
Which airlines and hotel chain co-branded card are you expecting?
I think it could be Air India & Akasa Air for airlines and for hotel it could be Marriot.