Sierpiński graphs S(n, k) were defined originally in 1997 by Sandi Klavžar and Uroš Milutinović. In this paper atom bond connectivity index, fourth atom bond connectivity indices, geometric arithmetic index, fifth geometric arithmetic indices, augmented Zagreb index and sankruti index of Sierpiński Gasket graphs and Sierpiński Gasket Rhombus graphs are determined.The first author is supported by University Grants Commission, Government of India, for the financial support under the Basic Science Research Fellowship.UGC vide No.F.25 − 1/2014 − 15(BSR)/7 − 349/2012(BSR), January 2015.The Second author is partially supported by the University Grants Commission for financial assistance under No.F.510/12/DRS-II/2018(SAP-I).Publisher's Versio
