Assalam Alaikum: Aziz Bhai.
I really wondered when you wrote that origin of Urdu anchors to Hyderabad. I thought it spread from north Indian belt such as UP. BTW I have been to Hyderabad in 1994. There are many of my relatives in metal bazar,bal nagar, and some where in begum bazar.
I will love to visit Hyderabad again before you fly to UK,InshaAllah.
Regards.