DELNET-Developing Library Network, New Delhi is a major resource sharing library Network in India connecting more than 8100 institutions in 33 states in India and few other countries comprising of Universities, Colleges, R&D organizations, medical hospitals, etc. DELNET is a great boon for faculty, researchers, scholars, students, etc. of Member-Institutions. DELNET has been actively engaged with the compilation of various Union Catalogues of the resources available in member-libraries. It has already created the Union Catalogue of Books, Union List of Current Periodicals, Union Catalogue of Periodicals, CD-ROM Database, Database of Indian Specialists, Database of Periodical Articles, Union List of Video Recordings, Urdu Manuscripts’ Database, Database of Theses and Dissertations, sample databases of language publications using GIST technology and several other databases.