Muhammad Usama ArshadFA22-RMT-041Dr. Kashif AliLHR TP 93632026-03-132024-03-13https://repository.cuilahore.edu.pk/handle/123456789/2818In this study, we apply different graph operations to find the dual graphs of different chem ical structures including honey comb graph, Boron tube graph , Boron nano tube graph and Silicate network. Then we will find the connection numbers of these mentioned graphs and after that we will find 1st, 2nd and modified ZCI (Zagreb connection indices).enDepartment of MathematicsMathematicsFA22graph operationsBoron tube graphThesis