Dr. Ompal Singh is Associate Professor, Department of Operational Research, and Deputy Proctor, University of Delhi. He is lifetime member of Society for Reliability Engineering, Quality and Operations Management (Regd.). He obtained his Ph.D. degree in Software Reliability (Operational Research) from the University of Delhi in 2004. He has published extensively in Indian journals and abroad in the areas of Marketing, Software Reliability and Optimization. He has more than 14 years of experience in teaching, research and consultation in the area of Data-Handling, Data-Analysis and Modeling in the various fields of Operational Research. Dr. Ompal Singh has guided seven Ph.D scholars and four M.Phil research scholars in Operational Research. His areas of interest include Software Reliability, Optimization, Innovation Diffusion Modeling and Marketing. He has participated in several conferences of national and international repute.