Not sure if DCB is LTF as the offer was removed last Nov. In any case, DCB has unlimited lounge access, 10% guaranteed discount through reward points at Amazon, Flipkart, Swiggy etc. if you use Payzapp for all transactions. E.g. I had booked Mumbai-Bangalore flight at some 2800 for which I received reward points equivalent to 1/6th of the amount (for reward points redemption, 1 RP = 1 Re. if used for booking flights/trains/buses etc.) In short, DCB is way better. Acceptance rate might be an issue as someone pointed out but I have never faced it.