Which credit card is best for these conditions ?

Please recommend a good credit card ( this will be my first one) which will cover one or more of the following requirements in this order.

1. cashback/discount on flight tickets(lounge access not a priority)
2. Zomato/swiggy discounts 3...

I am looking for a credit card which is offering good online transactions cashback plus travel lounge access (domestic will do). If any lifetime free under this category then great else what community here suggests?

Which credit card helps in saving via air travel?

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.