Dr. Dan Bahadur Pal is currently working as an Assistant Professor, Department of Chemical Engineering, Harcourt Butler Technical University, Uttar Pradesh India. He received his M. Tech in 2011 and Ph.D. in 2017, in the field of Chemical Engineering from Indian Institute of Technology (BHU) Varanasi, Uttar Pradesh, India. He completed his doctorate degree in the field of nanotechnology and catalysis. These nanofibers have very promising potential to provide benefits to nanotechnologies, energy, environment, catalysts, sensors etc. Dr. Pal has more than 81 publications in journals of international repute, six books and thirty book chapters. His research interest is nanotechnology, catalysis, energy and environment and waste management with a special focus in developing process and materials by using waste as raw materials. He also prefers to work on bio-waste processing and value addition. Dr. Ashish Kapoor is currently working as a Professor in the Department of ChemicalEngineering at Harcourt Butler Technical University, Kanpur-208002, Uttar Pradesh, India. He earned his B. Tech and M. Tech (dual degree program) in Chemical Engineering from Indian Institute of Technology (IIT) Madras, Tamil Nadu, India, in 2004. He received his PhD from University of Illinois Urbana-Champaign (UIUC), Illinois, USA, in 2011. Before assuming his current position, Dr. Kapoor worked as a Product Engineer at Lam Research Corporation, California, USA, and as a faculty member in the Department of Chemical Engineering at SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India. With over 12 years of experience in industry and academia, he has authored more than 75 peer-reviewed international publications. His research interests include microfluidics, lab-on-a-chip technologies, environmental remediation, biomass valorization, and modeling and simulation.