In DocType i have created a Field and name was wrong So when i update the name in docType it is creating a new column in DB So without creating a new column can i update the column existing column through the docType

If custom field, then check it. [image] Less control over Naming Series in V15 ERPNext You can just rename a custom field, if it’s really required. [image] https://docs.erpnext.com/docs/user/manual/en/custom-field#1-3-field-name