Vice Chair of IEEE Women in Computational Intelligence from 2010.
Member of IEEE CIS Task Force on Fuzzy Sets from 2012.
Member of IEEE CIS Task Force on Machine Learning from 2010.
Steering Committee Member of International Rough Set Society from 2010.
Treasurer of IEEE Women in Engineering, IEEE Calcutta Section from 2008 to 2010.
Life Member of Indian Unit for Pattern Recognition and Artificial Intelligence.
Founding Associate Editor of `` Wiley Interdisciplinary Reviews: Data Mining and Knowledge Discovery (WIRE DMKD)".
Associate Editor of ``Information Sciences".
Associate Editor of ``IEEE/ACM Transactions on Computational Biology and Bioinformatics".
Associate Editor of ``Neurocomputing".
Program Co-Chair of RSCTC 2012, Chengdu, China, August 17-20, 2012.
Program Co-Chair of First Indo-Japan Conference on Perception and Machine Intelligence (PerMIn'12), Kolkata, India, Jan. 12-13, 2012.
Workshop Co-Chair of Fourth International Conference on Pattern Recognition and Machine Intelligence (PReMI'11), Moscow, Russia, June 2011.
Convener of First Intelligent Surveillance and Security Symposium, Kolkata, India, November 10-11, 2011.
Program Co-Chair of Third International Conference on Pattern Recognition and Machine Intelligence (PReMI'09), Indian Institute of Technology New Delhi, India, December 16-20, 2009.
Program Co-Chair of IEEE/WIC/ACM Joint Conference on Web Intelligence and Intelligent Agent Technologies, University of Milano Bicocca, Italy, September 15-18, 2009.
Tutorial Chair of Second International Conference on Pattern Recognition and Machine Intelligence (PReMI'07), Kolkata, India, December 18-22, 2007.
Program Co-Chair of 7th International Workshop on Fuzzy Logic and Applications (WILF), Portofino Vetta - Ruta di Camogli, Italy, July 7-10, 2007.
Program Chair of ``First International Conference on Pattern Recognition and Machine Intelligence (PReMI'05), Kolkata, India, December 18-22, 2005.
Tutorial Convener of 4th Indian Conference on Computer Vision, Graphics \& Image Processing (ICVGIP), Kolkata, India, December 2004.
Tutorial Chair of Sixth International Conference on Technology, Bhubaneswar, India, December 22-25, 2003.
Co-ordinator of International Workshop on Soft Computing and Intelligent Systems, January 1998, Calcutta, India.