FedEx - Package not delivered

My parcel was supposed to be delivered on *rd May but it is *th May today and it has not been delivered till date. Despite my continuous follow-ups with FedEx they continued fooling me with all sorts of lame excuses. On *rd they gave me a reason for a mistake in address and pretended to correct it but did not deliver. On *th May they told me that the delivery will be made by *:** pm because of which I kept sitting in office till *: ** pm at night but they still did not deliver. On *th May they said they don't deliver because it is Sunday and on *th they promised me to deliver by *: ** pm but when I called them at *: ** pm they said they had work overload so they cannot deliver and again postponed it for *th May. This made me suffer so much as I had to do continuous follow-up and my boss was angry with me saying that I wasted his money. We were not able to manage the garbage which became a threat to the environment as I had ordered a big ***L of garbage bin in this parcel which did not get delivered on time. When I tried to cancel the order on Industry buying from where it was purchased I was not able to cancel the order and the customer care said they will think about refunding me my amount only when they get the parcel back. I don't know whether FedEx will deliver it to me, send it back or keep it with them. This was so annoying and mentally harassing. I request you to please help me. Current status of the shipment is attached as proof.