wrong return file

excess credit in electronic cash ledger be claimed as a refund by submitting a refund application form RFD – 01. This can be done online on the GST Portal/ GSTN.

NO need to worry ,as there are too many alternarives available

you can claim the refund of excess tax paid by putting the correct values in GSTR 3 of the respective tax period , when the form will be activated,


or

you can also file GST RFD -01 as per section 56 before the expiry of 2 years from the relevant date provided the tax burden has not been passed to other person.

Yes you can raise a request for refund at Gst portal by filing GST RFD 01