P.K. Mitra, MTech (IIT Kharagpur) and PhD (Jadavpur University), is Professor, Department of Metallurgical and Material Engineering, Jadavpur University, Kolkata. He is an acclaimed teacher of the subject and has delivered lectures on the allied topics at different platforms on invitation. A keen researcher using the different characterizing techniques, Dr. Mitra has to his credit about sixty published papers in national and international Journals.