The Indus Civilization (Cambridge History of India, Supplementary Volume) c15.5

c15.5

Silver was used for the manufacture of vessels and ornaments, and may have been separated from lead, which is also found occasionally in the form of small dishes or plumb-bobs or merely as ingots. The nearest source for lead-ore would appear to be Ajmer in Rajputana, but it is fairly abundant also in Afghanistan and Persia, and in south India.