Rabia Nazir2018-03-132018-03-132017https://escholar.umt.edu.pk/handle/123456789/2844Supervised by: Dr. Zohaib Zahid and Dr. Sohail ZafarIn this thesis, we introduced the edge version of harmonic index and harmonic poly- nomial on the basis of the edges of a graph. Then we computed the edge version of harmonic index and polynomial for some standard classes of graphs. We also dis- cussed some examples of rooted product graphs and bridge graphs in the context of harmonic index and polynomial.enEdge version of harmonicPolynomialMS ThesisThesis