Dr. Surajbhan Sevda completed his doctoral degree in 2013 from Indian Institute of Technology Delhi, India. He is currently working as an Assistant Professor at the Department of Biotechnology, National Institute of Technology Warangal, India. Prior to this, he was a technical officer (research scientist) at IIT Guwahati, India. He has published more than 40 articles in scientific journals and 32 book chapters. His research experience lies in industrial wastewater treatment, biofuels and bioenergy, life cycle analysis, metal recovery, biosensor development, green chemistry, and microbial electrosynthesis.

Dr. Garima Chauhan is an experienced professional in the field of waste management, renewable energy, and heavy oil upgrading. She holds a PhD degree in chemical engineering from Indian Institute of Technology Delhi, India and is currently working at the Department of Chemical and Materials Engineering, University of Alberta, Canada. She has authored a book, several book chapters, and 30+ research articles in peer-reviewed journals. Passionate about skill attainment and continuous learning, Dr. Chauhan has been a member of several editorial boards, as well as a recognized reviewer in peer-reviewed journals and professional development campaigns.