I did my masters in Computer Applications from University of Delhi, Delhi, India in 1985. I worked in Centre for Development of Telematics from 1985 - 1989 as a software engineer in Operating System and Traffic group. Thereafter I taught UG courses in Moti Lal Nehru College (M), University of Delhi. I completed my doctoral studies from Jamia Millia Islamia, New Delhi, India in 2001. Currently, I am a Professor in the Department of Computer Science, University of Delhi, Delhi, India.
My broad area of interest is Data Analytics. I have worked on problems related to mining of streaming data sets, projected clustering, outlier detection, classification of imbalance data sets, classification and cluster ensembles. My current interests include nework science, social theories, and text analytics.