Regional Passport Office — My son passport not received

Address:

Hyderabad, Andhra Pradesh

I Have applied for change of address for my son on[protected]. During Mid of december the status is changed to "Due to unaviodable circumstances the issuing the passport is delayed. It will be dispatched in one week's name". This status is shown till Last week of Jan. After that now in the status nothing is displayed. When I called 55352, the respnose I have received is passport is granted, will be dispatched soon. I am hearing the same status from last two weeks. Now it is almost 4 months, still the passport is not received. My key no: [protected]