Blue Dart Express — my shipment is not delivered yet

Address:

Pune, Maharashtra, 411014

My shipment id is ([protected]). I changed my residential address to office address for my shipment.
Yesterday i track the staus of my shipment. Staus updated as "need department number and extension number" how and whom i suppose to provide that number? If any one called me on my provided mobile number regarding that extension number i will give him or just go and pick up parcel at the gate. But no one called when they try to attempt the delivery. It's a worst delivery service from bluedart. I never face such type of non sense earlier.
I am again providing my address. Please call just once. I need that package. I cant able to come there and picked it up. Please help me out to send the package on below address, since the package is ready for delivery. Please take it as high priority and reschedule this to below address. Thanks in advance,
Sangita nimbalkar
Extension number: 3031.
Whirlpool, d block, 8th floor, pune nagar road, weikfield it citi info park, pune, 411014.
Mobile number: [protected]