• Conference on Management of Data, (COMAD), Chennai, 1997.
• National conference on Object Oriented Technology, (NCOOT), Warangal, 1997.
• Conference on Management of Data, (COMAD), Hyderabad, 1998.
• National conference on Object Oriented Technology,  (NCOOT), Pondicherry, 1998.
• National conference on Advanced Database Application (NCADA), Chennai, 1998.
• IEEE Tencon, New Delhi, 1998.
• Treasurer, Indian Conference on Computer Vision, Graphics & Image Processing, Delhi, 1998.
• IEEE Tencon, New Delhi, 1999
• Conference on Data Warehouse and Knowledge Discovery (DaWak 99) Italy, Sept. 99
• Conference on Data Warehouse and Knowledge Discovery (DaWak 2000) London, Sept 00
• First SIAM International Conference on Data Mining, Chicago, Apr. 2001.
• Conference on Data Warehouse and Knowledge Discovery (DaWak 2001)
• Conference on Data Warehouse and Knowledge Discovery (DaWak 2002)
• PC Chairman, DASWIS Dec 2002 Singapore.
• Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD 03) May 2, Seoul, Korea.
• International Conference on Data Engineering (ICDE 2003) Bangalore India.
• Conference on Data Warehouse and Knowledge Discovery (DaWak 2003) Prague, Checkoslovakia, Sept.1-5 2003.
• Second International Human-Society @ Internet Conference 2003, Bangalore.
• Twelveth Turkish Symposium on Artificial Intelligence and Neural Networks, Canakkalis, Turkey, July 2-4, 2003.
• Advisory Board Member, International Conference on Applications and Theory of Artificial Intelligence, South Africa, Dec 2003.
• Steering Committee  of 11th International Conference on Productivity & Quality Research(International Society for Productivity and Quality Research, USA, Dec 12-15,2006,India