India Post — Parcel did not delivered

Address:

Prqbhat Zarda Factory. Muzzaferpur. Bihar

A pacel booked from Surat to Muzzaferpur on 27.10.21. But till today parcel did not delivered because status shown on tracing that address insufficient. Why do not call delivery person on mobole no. Mentioned on parcel. While address and Firm is famous mile stone of Muzzaferpur. There is become so many days. So please do some thing. As soon as possible.
My consignment no.is CG[protected]IN