Dr. S. K. Tiwari, presently working as a Professor and Head, Department of Mathematics, K. S. Saket Post Graduate College Ayodhya (U. P.) India. He did Ph.D. degree from D. D. U. Gorakhpur University, Gorakhpur. He has published many research papers in the journal of national and international repute. Dr. Tiwari has completed a research project sponsored by U. G. C. New Delhi. Seven students have awarded Ph. D. degree in supervision of him and five Ph. D. students are working. He has presented and delivered invited talk in different national and international conferences. Dr. Tiwari is convenor of Research Degree Committee and Board of Study (Mathematics) of Dr. R. M. L. Awadh University Ayodhya and also member of Academic Council of University. Dr. Tiwari has been working as a Pre- Ph.D. coursework (Mathematics) co-ordinator since last three years.