diners black ltf based on itr - no, haven't heard of it.
take idfc wealth, you will get it for sure.
search the au zenith ltf thread to see if your employer (if you are salaried) is in their list.
also apply for platinum chip card of icici. amazon pay card is not accepted for 'icici' discounts on other sites. eg. there is an offer on Samsung website where 3k flat off on a phone of 27k on icici cards. when i put my amazon pay card, it says card not eligible.
there are other cards too but you asked for good card so mentioning only these above.