DTDC Courier & Cargo — No tracking provided after several days

My consignment number is D8795470 and DTDC has not taken any responsibility to update the status of the consignment and also is showing invalid number.

What is totally wrong with the tracking services given the consignment no. "invalid consignment no." is all i got in response.
As far as iam concerned this is not right. A parcel with consignment no D8795470 was claimed to be dispatched and has to be delivered withing 5 working days yet, here iam without the parcel nor the parcel could be tracked.
Those who are responsible for this issue, Fix it.. I have been victimized by your faulties and i never wanna trust this courier service again..never again