Hello Lokesh,
Thanks for reaching out.
You can download Federation Metadata XML file by accessing Federation Metadata Url in the format of https://login.microsoftonline.com/<Directory ID>/federationmetadata/2007-06/federationmetadata.xml
, same url can be found from Azure AD App registration blade as shown below:
To learn more about SAML-based single sign-on, refer : https://learn.microsoft.com/en-us/azure/active-directory/manage-apps/configure-saml-single-sign-on
Hope this helps.
Regards,
Siva
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