How to solve Bank Account Validation Failed in IT Return Portal even after updating in Bank Details

In New IT Portal my Bank Account is not getting Validating and I tried more than 10 times to update but all attempt validation getting failed and status shows vaidation failed bank account and I am unable to file it return even I contacted bank and get my Pan, Aadhar, Mobile all update in Bank Account and Name as per Bank account and Pan is fully matched.  But still my Bank account is not getting Validated and unable to file IT Return.  Please solve my issue how to file IT Return.  I have only one Bank Acccount and that is not validating after all attempt and please solve my query please