Hyderabad district is a district in the state of Telangana in India that contains a part of the metropolitan area of Hyderabad. It is headed by a district collector who is drawn from the IAS cadre and is appointed by the state government. It is the smallest of all the districts in the state, but has the highest population density. Old MCH area, which is central regio…Hyderabad district is a district in the state of Telangana in India that contains a part of the metropolitan area of Hyderabad. It is headed by a district collector who is drawn from the IAS cadre and is appointed by the state government. It is the smallest of all the districts in the state, but has the highest population density. Old MCH area, which is central region of Hyderabad city comes under this district. The district shares boundaries with Rangareddy and Medhchal districts.