Fund not showing in app-store

I see you are not seeing funds added to your account, and also that you mention UPI. A previous reply appeared to think you are asking about a refund, but I see no mention of you asking for a refund.

Read this article about how to check your Apple ID balance.--> Check your Apple Account balance - Apple Support

- If you think that your Apple ID balance is incorrect, sign out of the App Store or iTunes Store, then sign back in and check the balance again. If you still think that the balance is incorrect, check your purchase history to see if a subscription renewed or you bought an item that used the funds. Read this support article for directions about how to see your purchase history in the App Store or iTunes Store [mobile device, computer, or web] --> View your purchase history for the App Store and other Apple media services - Apple Support

If you still have problems:

Click here --> Choose your country or region - Official Apple Support Select your country, then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.

or:

Contact Apple for support and service --> "See a list of Apple phone numbers around the world."

Click here --> Contact Apple for support and service - Apple Support

Since this is regarding a UPI transfer, this post UPI payment is successful but funds not a… - Apple Community has an image where it says: "Payments may take up to 3 working days to be reflected in your account".

"Fund not showing in app-store: I added Rs.1000/- to app-store and not showing balance in app-store, also I find ways to contact apple for this issue but not able to find any way or any billing issue email ID."

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Getting a Refund:

Refunds can take unto 30 days to retrieve; they re NOT instantaneous.