Ideal credit card for air travel

which credit card should I go for if i spend mostly on air travel and ordering food online? I don’t have any problems with paying annual fees.

Whats the best credit card to have to get good discounts is most of good stores , mall on clothes and shoes and one for travel, hotels, flights.

Whats the best travel credit card for flights ?

My annual spends on CC would be around 3-4 lakhs

What is the best credit card that I should apply for?