As of now, my top 3 cards:
Axis Atlas - All offline and online spends, gift vouchers (2EM/100), hotel bookings (5EM/100).
HDFC Tata Neu Infinity - UPI Scans (1.5%), Tata brands & bigbasket purchases (10%).
HDFC Swiggy - Swiggy, Instamart, Dineout (10%), Online spends (5%)