i have iphone 6 with 12.5.7 version ,Suggest me how to use paytm on my phone.

Suggest me how to use paytm on my phone.

What is your real query?

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

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

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

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

India

•               Apple ID balance (from adding funds)

•               Net Banking (adding funds only)

•               UPI (adding funds only)

You can use / pay with your Apple Account balance, see: Add money to your Apple Account balance

Add money to your Apple Account balance – Apple Support (UK)

i have iPhone 6 with 12.5.7 version,Suggest me how to use Payton on my…

According to the App Store Preview page, that app requires iOS 14.0 or later. The iPhone 6 cannot run iOS 13 or later – and never will.

If your phone is incompatible with an app, the answer to "How to download" the app to that phone is: You don't.

Paytm is a 3rd party app, check here.

If you had used the App Store you already knew the answer to your question.

https://apps.apple.com/us/app/paytm-secure-upi-payments/id473941634

i can't install phonepe in iphone 6

then what i should do

Buy a new phone.....an iPhone 8 or higher model.

How to download paytm in iPhone 6