Doubt about Old Gold

subhagan sreerangam (7046 Points)

19 November 2021  
Buys old gold and sells new gold ornaments with exchange and without exchange at a small jewelry shop with GST Number.3% GST colltected on jewelry sold and paid to Government Account.
Do I have to pay GST on the old gold I buy.
What are the Process for remaking the purchased old gold and add in the accounts.