If the shipment/parcel fails to arrive at the destination, one should immediately contact the respective company customer care with the tracking ID and details of the consignment.
The consumer must always read and check the terms and conditions of the courier rules of the company while making the payment and must keep the tracking ID as well as payment receipt.
Signing the package means the shipment has been delivered and the receiver has got the same in good condition. Do not Sign the delivery slip if the packet is not sealed and looks tampered.