B.K. Dass is Professor in the Department of Mathematics at University of Delhi. He has been Head, Department of Mathematics and Dean, Faculty of Mathematical Sciences of University of Delhi. He has earned two research degrees viz. Ph.D. in 1975 and D.Sc. in 1983. His research interests include Coding Theory, Information Theory, Cryptography, Applied Algebra, and Discrete Mathematics. He has published over 100 research papers and has edited 7 books, apart from supervising 25 Ph.D. candidates and over a dozen M.Phil. students. He has widely traveled to several countries as visiting professor/visiting scientist such as U.S.A., Canada, Italy, France, Switzerland, Germany, Yugoslavia, Austria, Greece, Denmark, Thailand, China, Indonesia, Hong Kong, Japan, Singapore, Malaysia, Sri Lanka, Pakistan. He has delivered more than 150 lectures outside India in these countries in different universities and research institutions including several invited /plenary/keynote lectures at various conferences. He has collaborated research with as many as 20 scholars from outside India and has published work with them