What happens to a continuing guarantee in case of surety's death?

Mr. A sold goods to Mr. B. Determine the TOS in accordance with the provisions of section 12 of the CGST Act, 2017 in case supply involves movement of goods.
1. Date of removal - 1st October, 2019
2. Date of invoice - 2nd October, 2019
3. Date when goods made available to the recipient - 3rd October, 2019
4. Date of receipt of payment - 15th November, 2019

The officer designated by the public authorities in all administrative units or offices under it to provide information to the citizens requesting for information under the act is known as

If an owner entrusts the possession of his goods to a merchant who deals in goods of that kind, the merchant has the power to transfer all rights (including title) to the goods to a buyer in the ordinary course of business. The real owner cannot reclaim the goods from this buyer. Which type of rule is this?

Can the agreement be avoided when there is an agreement to sell specific goods bur subsequently the goods perish or become so damaged without any fault of the seller or buyer?