it was published prior to 1 January 1964 (as per the S.25 of The Indian Copyright Act, 1957);
its author died prior to 1 January 1964.
This file may not be in the public domain outside India. A United States public domain tag is also required ({{PD-1996}} usually applies to photographs created before 1946).
Uploaded a work by Unknown from https://www.itpi.org.in/uploads/pdfs/golden-book.pdf (The Leading Lights of ITPI: Their Mission and Profession over the Sixty Years) with UploadWizard