International Conference on Discrete Mathematics (ICDM 2021 - MSU), October 11-13, 2021. Organised by Department of Mathematics, Manonmaniam Sundaranar University, Tirunelveli , Tamil Nadu, India

Chief Editor: Dr. T. Tamizh Chelvam, CSIR Emeritus, Department of Mathematics, Manonmaniam Sundaranar University, Tirunelveli , Tamil Nadu, India Sub Editors: Prof. R. Kala, Professor and Head, Department of Mathematics, Manonmaniam Sundaranar University, Tirunelveli , Tamil Nadu, India Dr. S. Monikandan, Associate Professor, Department of Mathematics, Manonmaniam Sundaranar University, Tirunelveli , Tamil Nadu, India Dr. K. Selvakumar, Associate Professor, Department of Mathematics, Manonmaniam Sundaranar University, Tirunelveli , Tamil Nadu, India. Dr. V. Sankar Raj, Assistant Professor, Department of Mathematics, Manonmaniam Sundaranar University, Tirunelveli , Tamil Nadu, India