Institutional Repositories (IR)

 Institutional repositories are a institution-based digital-asset management system. It is a cost-effective and immediate route to provide access to scholarly literature such as research papers and electronic versions of documents, theses and dissertations as well as digital assets generated by an institution such as annual reports, course notes, or learning objects, etc. There are total 3594 world-wide repositories indexed by Registry of Open Access Repositories (ROAR) which includes 99 repositories in India. Directory of Open Access Repositories has indexed total 2500 world-wide repositories, including 62 Indian repositories.

1 Arxiv.org e-Print Archive: http://arxiv.org/

 2 Social Science Research Network: http://ssrn.com/en/

 3 Smithsonian/NASA Astrophysics Data System: http://adsabs.harvard.edu/

 4 Europe PubMed Central: http://europepmc.org/

 5 Research Papers in Economics: http://repec.org/

 6 CiteSeerX: http://citeseerx.ist.psu.edu/index

 7 HAL Institute National de Recherche en Informatique et en Automatique Archive Ouverte: http://hal.inria.fr/

 8 University of California eScholarship Repository: http://escholarship.org/

 9 CERN Document Server: http://cds.cern.ch/

 10 Virginia Tech University Digital Library and Archives: http://scholar.lib.vt.edu/ Indian Initiatives

 11 Open Access Repository Publications of Fellows of the Indian Academy of Sciences: http://repository.ias.ac.in/

 12 Indian Institute of Science Bangalore Institutional Repository: http://eprints.iisc.ernet.in/

 13 Central Marine Fisheries Research Institute Institutional Repository: http://eprints.cmfri.org.in/

 14 National Institute of Oceanography India Digital Repository: http://drs.nio.org/drs/index.jsp

 15 Information and Library Network Centre Institutional Repository: http://ir.inflibnet.ac.in/

 16 National Institute of Technology Rourkela eThesis: http://ethesis.nitrkl.ac.in/

 17 OpenMed National Informatics Centre India: http://openmed.nic.in/

 18 International Crops Research Institute for the SemiArid Tropics Open Access Repository: http://oar.icrisat.org/

 19 Indian Institute of Astrophysics Institutional Repository: http://prints.iiap.res.in/

 20 National Aerospace Laboratories Institutional Repository: http://nal-ir.nal.res.in/

Source: http://repositories.webometrics.info/