I am an Assistant Professor in the Department of Computer Science & Engineering at Motilal Nehru National Institute of Technology Allahabad, Prayagraj, Uttar Pradesh. Previously, I have worked as an Assistant Professor in the Department of Information Technology at Atal Bihari Vajpayee Indian Institute of Information Technology and Management Gwalior, Madhya Pradesh. Prior to that, I have served as an Assistant Professor in the Department of Computer Science & Engineering at Indian Institute of Information Technology Pune, Maharashtra. I have completed Ph.D. in Computer Science & Engineering from Indian Institute of Technology (Indian School of Mines) Dhanbad, Jharkhand. My basic research interest lies in the fields of Digital Image Processing, Digital Image Forensics, Video Forensics, Document Authentication, Multimedia Security, Medical Image Authentication, and Signature Authentication.