DTDC Courier & Cargo — Consignment not received yet

My consignment no is k37454240. The consignment has been sent to me on 07th September 2021 and on 08th September 2021 tracking has been updated FDM prepared and since dentist no tracking updates has been made.today is 16th September 2021 and I have not received my consignment yet.Tried contacting all the local branch offices of dtdc but dey are denying saying that dey are not having the consignment with dem.Every branch offices m trying to contact dey are asking me to contact different branch offices.I am fed up contacting dem.I want my consignment asap as dey are very important and urgent.How to get my consignment and when will I get my consignment????Please help