DTDC Courier & Cargo — Product still Not delivered

I dispatched(booked on 13th) a product from dtdc devices, It was expected to deliver on 20th but in tracking details, it is showing it was booked on 20th and still in kota..is this kind of service they are providing to your customers.
And it's a return product, it must be returned to the seller before 24th

Consignment- Z89362832
P.s - I have receipt, I can show the snapshot, to showing booking date is 13thmay