Amazon - The products to be returned are not getting picked up and refund

*) My product Indian Techno Crafts Modern Coffee Table; Outdoor Table (Solid Wood, Polished finish, Brown ) which was ordered on ** August ****is not being picked up. This has already happened * times already. My first return pick-up date was done within the return period itself.
*) My product Callas *-Tier Height Adjustable Microwave, Oven, Dish Rack Shelf, File Rack (Black | CA ****-CH | ** x ** x ** cm) is also not being picked up. This has already happened * times already. My first return pick-up date was done within the return period itself.
I already had many long chats with various amazon agents but nothing came out of it. They fill NOCs but still nothing happens, they just keep on scheduling the pick-up date to another and then another. Money can only be returned if the product is being picked up, but in my case, no one is picking the products which I want to return.
So calling is useless. I am also not receiving any call from the pickup agent.
I want my money back by hook or crook.