@naveens here are few things that you can try.

1. Re-authenticate in Power BI Service

• Go to Power BI Service → Settings → Data Sources.
• Locate the Databricks data source.
• Click Edit Credentials.
• Choose OAuth2 and re-authenticate using the correct Azure AD account (TATA.nato@tata.com) under the INFY tenant.

2. Clear Cached Credentials

3. Verify Azure AD Permissions

• Ensure TATA.nato@tata.com has access to the Databricks workspace in the INFY tenant.
• Check if the user is assigned to the correct Azure AD group or Databricks workspace role.