payment method

You need to have a good Service & Wi-Fi.

Charge the battery > 70%.

Based on your screenshot you try to add a card in a different country?

Is that right?

If you change Country or Region, you must comply with all regulations described here -> Change your Apple ID country or region -> 

Change your Apple ID country or region - Apple Support (KW)

Do not post a screenshot with your personal information.

The host will delete your screenshot.

The message is clear.

See -> Payment methods you can use with your Apple ID

Payment methods you can use with your Apple ID – Apple Support (UK)

You need to have a debit / credit card issued by a bank in the new country.

You need to have a billing address in the new country.

See also -> About billing for Apple subscriptions and media products in India

About billing for Apple subscriptions and media products in India - Apple Support

India

•           Apple ID balance (from adding funds)

•           Net Banking (adding funds only)

•           UPI (adding funds only)

See -> Change, add or remove Apple ID payment methods

Change, add or remove Apple ID payment methods – Apple Support (UK)

👉 Add first the new card, then remove the old one.