Naidu, G H SRajput, Prabhat Singh2010-05-192010-05-192008-02-28978-81-902079-6-6http://hdl.handle.net/1944/1304The paper gives a comprehensive idea about metadata. Describes definition, need and categories. Explains DC and MARC metadata standards and its elements. Discuses the different type of metadata and their functions. Metadata harvester provides indexes or harvests metadata, from different open archives and open access journals. The study attempts to know Open Access Initiative Protocol for Metadata Harvesting (OAI-PMH) and available Harvesting services in India.enMetadataMetadata HarvestingHarvesting ServicesDigital libraryArticle