Dr. Nandakumar Kalarikkal is an Associate Professor at the School of Pure and Applied Physics and Joint Director of the International and Inter University Centre for Nanoscience and Nanotechnology of Mahatma Gandhi University, Kottayam, Kerala, India. His research activities involve applications of nanostructured materials, laser plasma, and phase transitions. He is the recipient of research fellowships and associateships from prestigious government organizations such as the Department of Science and Technology and Council of Scientific and Industrial Research of the Government of India. He has active collaborations with national and international scientific institutions in India, South Africa, Slovenia, Canada, France, Germany, Malaysia, Australia, and the United States. He has more than 130 publications in peer-reviewed journals. He also co-edited nine books of scientific interest and co-authored many book chapters.