The Professional Couriers — unable to locate consignment. went missing

This is regarding a missing consignment shipped from surat to thrissur, kerala, few months back.
The problem started with the wrong pincode entered 690301 instead of 680301 by the sender while booking the consignment. Later when enquired about the delay i got answer from surat office that they will try to locate the shipment and try to get it back to the sender which has not yet happened.
Now when i spoke to the surat office executive they said the consignment is missing and they were not able to locate it.
Wrong pincode is a human error but we expect the shipment to reach back to the sender if not delivered.
Sending the shipment details. Please do the needful.

Consignment no: srt13797626

Complaint no: crm295253

Contact no: [protected]