I'm Ashok Ranjan, and I received my PhD in Materials Science and Engineering from National Tsing Hua University, Hsinchu - Taiwan. In my PhD, I worked on the multipurpose use of multiferroic materials, especially energy harvesting applications. I received my M.Tech degree in Nano-optoelectronics (Department of Applied Physics) from Babasaheb Bhimrao Ambedkar University, A Central University, Lucknow, India, and my B.Tech degree (Electronics & Communication Engineering) from the Uttar Pradesh Technical University (UPTU), Lucknow, India. For my project work, I spent one year at the Special Center for Nanoscience (SCNS), Jawaharlal Nehru University (JNU), Central University, New Delhi.