Blue Dart Express — delivery to wrong person

My an important document is delivered to wrong person in other address.
Even i called to customer care they your complaint resolved within 24 hrs but still i don't where is my that parcel.
They delivered my document on 5 june, 2019 at different location.
That document is my personal document how can blue dart delivered someone's important parcel in wrong address.
I asked to customer care to register a complaint but they said you will get a call from blue dart within 24 hrs, but still i didn't get any call from blue dart express.
I need it on time, because of this i have to wear huge amount of money.
Who will compensate it???
I need it very urgently, please deliver my document as soon as possible.