New Delhi, Oct. 29 -- India's only international bullion exchange is seeing a revival in activity, driven by silver imports after a regulatory change made licences mandatory for certain categories of the metal.

The India International Bullion Exchange (IIBX) recorded trades of 570 metric tonnes of silver in the three months since August, after seeing no trades over the preceding year, while spot gold imports stood at just 0.3 tonnes.

The surge follows a May decision by the Directorate General of Foreign Trade (DGFT) to move certain categories of silver to the restricted list, requiring importers to obtain authority's licences. As licences began to be issued, importers turned to IIBX to source the metal, with industry estimates suggestin...