Remember that this is an international forum. I did not immediately know to which currency you were referring, or which country.
This thread: I made a payment for extra storage for cl… - Apple Community
has a UPI transaction message image saying, "Payments may take up to 3 working days to be reflected in your account". I have not seen any Apple generated messages saying anything about a transaction time and that message appears to be one generated by UPI.
If you have not received the funds in the specified time then I suggest you contact UPI and/or Apple.
This support page has information about contacting Apple support and service ➔ Contact Apple Support - Apple Support If live support options (chat and/or telephone) are available they will show near the bottom left.
- Telephone numbers may only work when calling from the same country.
- Chat options (telephone numbers appear as active links, not plain text) may depend upon cellular connectivity. If a number shows as an active link, click on it to see additional options.
- If chat is not available on the top level support page, try selecting your hardware and narrow down your issue to see if a support article offers a support link offering chat. For example, the contact support link on this page Check your Apple Account balance - Apple Support offers a chat link about emptying account balance even on a computer where the top level page does not offer any chat.