Best add-on credit card for spouse in India

On the annual fee — most premium cards waive it if you spend ₹1.5L to ₹3L in the previous year. Wallet loads (Paytm, Amazon Pay balance) usually DON'T count. But utilities, fuel, and grocery do. Spend pattern matters more than absolute number.

The 'minimum due' trap is real. Banks love it because they charge ~36-42% interest on the carried-forward amount. If you can't pay the full bill this month, pay at least 50% — anything below that and the interest eats the rewards of the next 6 months.

Forex markup comparison: Amex = 3.5%, HDFC Infinia/Diners Black = 2.0%, Axis Atlas = 3.5% but with milestone fee waivers, ICICI Emeralde = 3.5%, Standard Chartered = 3.5%. If you travel more than twice a year, the math favours Infinia or Diners Black.