Mr. Niladri Sarkar is currently working as Assistant Professor in the Department of Chemistry at Centurion University of Technology and Management, Rayagada Campus, Odisha, India. He has completed his M.Sc from University of Calcutta and PhD degree from Veer Surendra Sai University of Technology, Burla, Sambalpur-768018, India. He has published eighteen research articles in several journals of international repute. He has contributed more than six international book chapters. His research interests include polymer based nanocomposite hydrogels and carbon dot for drug delivery and water remediation.