Solution for ‘Auditor Signature Invalid’ while uploading GSTR 9C (GST Audit Report):
Try in Chrome
♠ Delete the browsing history
♠ Close excel utility of GSTR 9C
♠ Re-connect your Digital Signature
♠ Copy paste following files in the folder where excel utility is saved
♠ Generate Json file and try to upload.
♠ Repeat the above steps again and again whenever you are uploading new GSTR 9C.