I requested for refund and it has been refunded but I can’t find the money on my balance

Hello ~ Take a look here paying close attention to the time frames…

Check the status of a refund for apps or content that you ...

~Katana-San~

If you've received the refund, the money will be refunded in the same way as your payment method.

You may not have received the funds yet (only had your refund approved). If so, Katana-San's answer applies.