Go to the top, click on the User Profile Icon. A pop-up opens up, click on Settings

Under Online Settlement Account, click on 3-dot button against Bank account and click on Edit button

Verify Details page would open-up. Under Bank Details section, change/update Account Number, IFSC and upload the proof in Upload Statement/ Cancelled Cheque section

Post that, click on Submit button.

Online Settlements Account would be successfully updated!