Journal of Indian Acad. Math  
Vol. 47, No. 2 (2025) pp. 329-348  
ISSN: 0970-5120  
SOME DISTANCE-BASED TOPOLOGICAL  
Sivasankar S1,  
Babysuganya K2  
INDICES OF DOUBLE STARBARBELL  
GRAPH AND PETERSENBARBELL GRAPH  
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1, 2 Department of Mathematics,  
Nallamuthu Gounder Mahalingam College,  
Pollachi, Tamilnadu, India  
(Received, September 24, 2024)  
E-mail: sssankar@gmail.com  
E-mail: babysuganya123@gmail.com