Delhivery — Where is my shipment

TO DELHIVERY TEAM,

My tracking id is [protected], LR Number[protected]
It is showing that my package has been returned but still I haven't received it
I have shipped my package from Delhi to Araria from A.K. enterprises to Milan distributors
I have shipped my package with proper gst bill, purchase order, undertaking, non dangerous goods letter with proper stamp and sign, drug license, gst certificate, letter head application
I have also attached all my documents in this mail
I am also attaching my tracking slip
Kindly reply as soon as possible
It's a high value shipment

A.K ENTERPRISES
PROPRIETOR
VIKAS MALIK