DTDC Courier & Cargo — Parcel not delivered but I got message delivered

Address:

92 Golden Avenue, Vivekanandha Nagar Extn. Pondicherry

I have to get a parcel through dtdc pondicherry (Z[protected] i didn't get the parcel but today (22/07/20) 8.52pm i got a message goods delivered so i contact agent no.[protected] she didn't give a proper reply so again i called balamurugan in head office he said i am not responsible for that, so where i have to talk pl take some steps to get my parcel, thank you sir