India, Sept. 11 -- More Indian education institutions figured in the latest global ranking released on Wednesday, but the Indian Institute of Science (IISc), which was the only Indian entry in the top 300 last year, slipped into the 301-350 group due to a "significant fall" in its research citation impact.

The Times Higher Education's 2020 edition of its World University Rankings of 1,300 universities in 92 countries shows 56 Indian institutions (up from 49 last year), making India the fifth most-represented country in the list and the third in Asia behind Japan and China .

The University of Oxford retains the top spot for the fourth year, while the California Institute of Technology rises from fifth to second. The University of Cambrid...