Dr. Prem Kumar Singh is working as a Professor at GITAM-Visakhapatnam. He is well known academician and researcher in field of concept lattice, graph theory and Mathematical Modelling. He has published more than 110 papers which are cited more than 2500 with h-index 27. He is well known for the work on bipolar, m-polar, complex data and t-index. His work indexed as top 2 % scientist by Stanford University using Scopus Data in Year 2019, 2020, 2021, 2022, 2023 as well.