This field specifies that the book was acquired by RIE Bhopal and belongs to the category of old books. It includes items that were published or purchased before the year 1965. The field helps in identifying and preserving rare and historical materials maintained by RIE Bhopal. This field records if the book was published or purchased prior to 1965. It helps in identifying rare, historic, or special collection materials for proper management, conservation, and access.