Professor S. Sudarshan

Professor (currently Subrao M. Nilekani Chair Professor), Indian Institute of Technology Bombay

Areas of Interest:

Holistic optimization, Query Optimization, Testing Database Queries and Applications, Keyword Search on Databases


Database Systems

Consultancy Areas:


Sector Associated With:


Sectors Interested to Offer Service:

Educational / Academic institutions,
Industry (Private), Industry (PSUs)
R&D Organizations
Government (including funding agencies)
Law Enforcement Agencies

Major Professional Contributions:

Prof. Sudarshan has made significant contribution in broad area of Database Systems. His current research areas include query optimization, holistic optimization of database applications, and techniques for testing and grading SQL queries, and keyword search on semi structured data (his work in this area won the prestigious Influential Paper award at the IEEE ICDE 2012 conference). He has developed several widely recognized software systemssuch as the BANKS Keyword search system, PYRO query optimizer, Data Blitz main memory Database system widely used in telephone switches by Lucent. The book Database System Concepts co-authored by him is best selling textbook internationally and has been translated into many languages.

Professional Experience:

  • 1. Member of Technical Staff Database Research Group, Bell Laboratories, Murray Hill, NJ, 1992-1995
  • Assistant Professor Department of Computer Science and Engineering, IIT Bombay, 1995-1998
  • Associate Professor Department of Computer Science and Engineering, IIT Bombay, 1998-2003
  • Visiting Researcher Microsoft Research, Redmond, WA, USA, July 2004-June 2005.
  • Professor Department of Computer Science and Engineering, IIT Bombay, 2003-Present


Database systems, query optimization, database application performance and optimization, database application development and testing

Contact Information


Computer Science and Engineering Department,
Indian Institute of Technology Bombay,
Powai, Mumbai-400076
Phone:  022-25767714
Fax: 022-25720290

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.



    • Ph.D., Computer Sc. & Engineering, 1995, Univ. of Wisconsin-Madison

    • B. Tech., Computer Science & Engineering, 1987, IIT Madras

Awards and Major Professional Recognitions

  • ACM Fellow (2015)
  • Influential Paper Award, IEEE Int’l Conference on Data Engineering, Washington DC, 2012
  • IBM Faculty Award, (International round) 20001and (Indian round) 2006
  • Bell Laboratories Presidents silver Award, 1999 for the Data Blitz System
  • 5. Institute Chair Professor, IIT Bombay(2011-)

Link to Website

INAE Section Affiliated II: Computer Engineering and Information Technology

Year of Election to Fellowship: 2013

Year of Birth: 1965