• Vice-Chancellor of WBUT • Registrar, University of Calcutta, from 2005 to 2008 • Registrar, West Bengal University of Technology, from 2003 to 2005 • Acting Vice-Chancellor, West Bengal University of Technology, One and Half Months from Feb-2003 • First Controller of Examinations, West Bengal University of Technology, from 2001 to 2002 • Inspector of Colleges, University of Calcutta, from Feb 2001- Aug 2001

Biomedical Image Processing, Biomedical Engineering, Mobile Computing, Pattern Recognition, Graph Theory, Image Processing, Handwritten Signature Verification, Graphical Password Verification, Steganography and Watermarking, Medical Imaging, Forensic Science, Crime Science.