DTDC - non delivery of my packet false signature

MY PACKET WITH DOCKET NO T********, has not been delivered boy , I attached the delivery challan downloaded from dtdc web site where the delvery boy has signed my sigbature kept the packet having my original documents with him and update the status that packet is successfully delivered on **/**/** at * :** pm. he has done my signatures, doing fraud with people, company dtdc is not solving my case, company is protecting his employee whobis missusing my documents. I filed a complaint on *th august in dtdc, they are continuoudly trying to close the complaints providing extremely poor services.