Shyam Jewels, one of Mumbai's biggest jewelry stores, contract with Gold leaf Wholesalers in electronic form. Gold leaf specializes in High-quality Gold and Diamond Jewelry. Under the contract, the gold leaf was supposed

Shyam Jewels, one of Mumbai's biggest jewelry stores, contract with Gold leaf Wholesalers in electronic form. Gold leaf specializes in High-quality Gold and Diamond Jewelry. Under the contract, the gold leaf was supposed to provide jewelry amounting to ₹ 25 lakh on credit to Shyam Jewels, with payment due in 90 days. To fulfill this financial obligation, X, the friend of owner of Shyam Jewels, signed a personal guarantee and Y, business partner of Shyam Jewels secured the transaction with a lien on his expensive car. Upon receiving the consignment, Shyam Jewels defaulted on its payment obligations within the stipulated period. Despite multiple legal notices, the payment remained due, which entitles the aggrieved party to compensation for loss or damage caused by this act. As X had provided a personal guarantee, Gold Leaf Wholesalers initiated recovery proceedings against him. There is an agreement in which a surety undertakes liability in the event of the principal debtor's default. Y's luxury car had been pledged as security for the debt. Upon default, Gold Leaf exercised its statutory right, which empowers the Gold Leaf to sell the pledged goods after providing reasonable notice to the Y. The proceeds from the sale were appropriated towards the outstanding liability. During the course of legal proceedings, it was ascertained that Shyam Jewels had engaged A, as an agent to procure jewelry from Gold Leaf. The commercial transaction between Shyam Jewels and Gold Leaf falls within the ambit of the Sale of Goods Act, 1930, as it involved the transfer of ownership of goods in exchange for monetary consideration. In view of the above details, answer the following questions with reasons: Under what circumstances an agent can be held personally liable ?