** India's Hindustan Zinc HZNC.NS up 3%, parent Vedanta VDAN.NS rises 2%, leading metal index .NIFTYMET ~1% higher
** VDAN set for fourth straight session of gains; HZNC set for three-session gaining streak
** Gains in line with silver XAG=, which continues its record-breaking run
** Broader metal prices also firm due to a weakening U.S. dollar after U.S. Fed rate cut
** YTD, VDAN up 20.4%, HZNC up 18.8%; metal index up 18.4%
(Reporting by Kashish Tandon in Bengaluru)
((Kashish.tandon@thomsonreuters.com))