January 2010 Edition of the "The Ranking Web of World repositories" is now available. Cybermetrics Lab has been bringing out such ranking of open access repositories for past few years.
Ranking of Indian Repositories in top 400 world's repositories is given below:
82 - Indian Institute of Science Bangalore ePrints
148 - Openmed
180 - Indian Statistical Institute Digital Library
218 - Indian Institute of Astrophysics Dspace
245 - National Institute of Oceanography India Digital Repository
278 - Raman Research Institute Digital Repository
370 - National Aerospace Laboratories Institutional Repository
Visibility occupies more weight in their methodology as compared to number of documents in repository.
So, how does India score - Good, bad or just OK?