Blue Dart Express — Not received a parcel till date

Sir I haven't received parcel from kotak mahindra bank Kalyan (w) branch dist Thane Maharashtra of tracking number [protected] dated 14/12/20; & as per blue dart
sms to me a 16/12/20is a delivery date to me
Bt tracking report showing it is helded at Dombivli from 16/12/20 till today
Sir its very important to me get parcel within scheduled time
As a recipient adress is in same city
Whats the problem to deliver in time
Pls inform me when it delivered to me
early, as that parcel important to me
Other wise I have to legal action
Not replying ¬ receiving parcel me
In scheduled time as sender & recipient r both in same city &still getting late