Franch Express Courier — Product not handed over to myself.missing product

Mr. Prabhakaran, delivery person Coimbatore
Parcel from pothys reached Coimbatore and parcel was not handed to me. As per the delivery person words he delivered the product to person who is not related to me and my family.He didn't intimate me prior about handing over the product to someone else and not me. Now the valuable parcel is missing
How irresponsible delivery person.
I need an explanation from the person