We have already installed ‘Lohit Gujarati’ Font on our Orgranisation using Linux mint os
But Libre Office is unable to auto-detect this font in our all documents including writer and impress files
sample document is attached in the link below
https://drive.google.com/file/d/1VklYk4q3Ir_IEumQPy-A-Lw-fk9RpmID/view?usp=sharing
Thank You