Top twenty institutes in terms of research in India

A search in Scopus for top twenty institutes in terms of publications.
Top 20 Institutes in number of articles published in 2009

1. Indian Institute of Science
2. Indian Institute of Technology Kharagpur
3. All India Institute of Medical Sciences
4. Bhabha Atomic Research Center
5. Indian Institute of Technology Delhi
6. Indian Institute of Technology Madras
7. Jadavpur University
8. Indian Institute of Technology Bombay
9. Indian Institute of Technology, Kanpur
10. University of Delhi
11. Postgraduate Institute of Medical Education and Research
12. Banaras Hindu University
13. Indian Institute of Technology Roorkee
14. Aligarh Muslim University
15. Tata Institute of Fundamental Research
16. Indian Institute of Chemical Technology
17. Anna University
18. University of Calcutta
19. University of Madras
20. Indian Association for the Cultivation of Science