Postal Service — delay my parcel

Address:

Jamnagar, Gujarat

hello,my post parcel come from india to tanjaniya but till 1 month not in my hand i want to know where is my imp parcel my prcel address amit shah bundaa oil industries, shinyanga my receipt no is acp[protected]in please give me answer i also contact here local and main office but they said not come in our hand also not seen on online so please postal service give answer , thanks