DTDC Courier & Cargo — My parcel delivered to wrong address

Address:

Address: House no:9-12-21/A, Master gari illu, Mungara rathnam compound back side, 2nd rightside street corner House, Near St.Anns school, Nidadavole, West Godavari district, pin no: 534301, Contact no: 8106359231 Name: Mentay Vijaya

My name is Mentay Vijaya and i want to submit a complaint regarding my courier which i have not recieved but when i tracked it on dtdc site it shows that courier has been delivered and recieved by Sa. I even dont know who the Sa is.I think something wrong has been done from your side.That is very poor service.please help me and give my courier to me. my tracking id is M98389383. I need my parcel back.