I am a Professor in the Department of Computer Science and Engineering, Indian Institute of Technology, Kharagpur (IIT Kharagpur), India. My primary areas of research include Geospatial Databases and Services, Cloud Computing and Security. Prior to IIT Kharagpur, I worked for Indian Space Research Organization in area of remote sensing and geographic Information systems for natural resource management. I did my PhD and MTech in Computer Science, from Department of Computer Science & Engineering, IIT Kharagpur. I did my BE in Electronics and Communication Engineering from National Institute of Technology (formerly, Regional Engineering College), Durgapur, India.