Abstract
Recent studies show that the reduced reciprocal Randic (RRR) index possesses the second-best correlating ability among the several well known topological indices. Hence, it is meaningful to study the mathematical properties of the RRR index, especially bounds and characterization of the extremal elements for renowned graph families. In the present note, the unicyclic graph having minimum RRR index is characterized among the class of all n-vertex unicyclic graphs.