Maedeh Motameni - Department of Mathematics,Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran.
Seyyedeh Tahereh Jalali - Department of Applied Mathematics, Semnan University, Semnan, Iran.

The topological index has transformed the chemical structure into a numeric index and they make a connection between chemistry and mathematics. In this paper, thefour new operations of graphs based on the Indu-Bala product were computed according to the Y -index.

Molecular graph, Topological indices, Operations of graphs