DTDC Courier & Cargo — Some products in the courier are missing

Address:

Hyderabad, Andhra Pradesh, 500075

Courier was opened and products inside the courier was two 2 packs of chocolates and a pen one pack of chocolates was opened and pack was left over only with few and the total pack was resealed .
If this is the condition how can we have a trust with your company and it is not a small courier service and you people do such things. it is not even containing a delivery slip with the pack of courier and it has only one sticker with barcode : H69688257.please take necessary action against this issue.