A programme on “Preservation of library archival and digital documents, problems and perspectives” was organised here on Saturday to mark the presentation of ‘Festschrift volume’ to former Librarian of AU S.S. Janardana Rao. Former V-C of ANU V. Bala Mohan Das, who participated as chief guest, lauded the role played by Prof Janardana Rao as the librarian at Sir CRR College in Eluru.