Dr. Mihir Kumar Purkait is a Professor in the Department of Chemical Engineering at the Indian Institute of Technology Guwahati, Assam, India. His current research activities are focused in four distinct areas viz. i) advanced separation technologies, ii) waste to energy, iii) smart materials for various applications, and iv) process intensification. In each of the area, his goal is to synthesis stimuli responsive materials and to develop a more fundamental understanding of the factors governing the performance of the chemical and biochemical processes. He has more than 20 years of experience in academics and research and published more than 300 papers in different reputed journals (Citation: >16,500, h-index = 75, i-10 index = 193). He has 12 patents and completed 43 sponsored and consultancy projects from various funding agencies. Banhisikha Debnath is a Researcher in the Centre for the Environment, Indian Institute of Technology Guwahati (IITG), India. She obtained B.Tech in Civil Engineering in 2017 from the National Institute of Technology Agartala (NITA), India and MTech in Environmental Engineering in 2019 from NITA, India. Her research work focuses on the conversion of biomass into value-added products and their health and environmental applications. She has numerous publications in different international journals of repute and several book chapters. Prangan Duarah is a doctoral research fellow at the Centre for the Environment in the Indian Institute of Technology, Guwahati. He worked on a research project at the Indian Institute of Technology, Bombay, before joining IIT Guwahati as a research fellow. He graduated from North-Eastern Hill University in Shillong, India, with a B.Tech in Energy Engineering. His current field of studies focuses on naturally-derived pharmaceutical compounds and green nanomaterial synthesis for various applications. He is a recipient of the prestigious Prime Minister's Research Fellowship (PMRF), which is given to the country's most outstanding research scholars as a token of encouragement to pursue their research. He has published more than five journal papers and several book chapters in peer-reviewed international publications.