The Professional Couriers — missing medicines

I had sent life saving medicines for my aunt from Bangalore to Noida (parcel:[protected]. They did nit deliver the medicines, did not contact on the mobile numbers given on the parcel box and when my sister went to their Noida office they had no idea about the parcel. This was when their Tracking system showed the parcel at their Noida office. The parcel has not been returned to me, and now they have even removed its details from Tracking system