Dhruba Charan Dash, Ph.D., is Former Professor, School of Chemistry, Sambalpur University, Orissa. He has been awarded Gold Medals by Sambalpur University for academic excellence in his postgraduation. He has more than thirty-five years of teaching and research experience, and so far guided eight Ph.D. students. To his credit, Professor Dash has published more than fifty research papers in national and international journals of repute in the areas of coordination chemistry, analytical chemistry and environmental chemistry. He is a life member of Indian Chemical Society.