The District is headed by the District Magistrate followed by an Additional District Magistrate (ADM) as second-in-command. The District is divided into 3 Sub Divisions and one Sub Divisional Magistrate (SDM) is head of each Sub Division. Each Sub Division is having Revenue and clerical staff for its various functions. For Revenue functions each Sub Division has Tehsildar, Naib-Tehsildar, Kanungo and Patwaris in that order. For other functions, there is clerical staff. The three Sub Divisions are-:
- Hauz Khas
- Saket
- Mehrauli
District Magistrate (South) has also been designated as Joint Chief Electoral Officer (South) for performing election related duties. In this work, he is assisted by all the SDMs and SDM (Election). For work relating to registration of documents, there is office of Sub-Registrar (V-A) directly under the control & supervision of District Magistrate Office of the BDO(south) is also a part of the office of Deputy Commissioner. Headed by the Block Development Officer, this office is responsible for custody of Gaon Sabha land and promotion of Agriculture, Horticulture and Developmental activities in the village. There is also a centre of NIC in the district which facilitates computerization in the district and links the district with the world through internet. The officers of the district can be contacted on the following numbers
| S.No. | Name of Officer | Designation | Phone No. Office | Image | |
|---|---|---|---|---|---|
| 1 | Sh. Mekala Chaitanya Prasad, IAS | District Magistrate | 29535025 | dcsouth@nic.in | |
| 2 | Sh. Rahul Saini | ADM, South | 29536774 | southadm@nic.in | |
| 3 | Ms. Anita Rana | SDM (Election) | 29532188 | esdmsouth.delhi@gov.in | |
| 4 | Sh. Pawan Kumar | SDM HQ (South) | 29532310 | sdmhq.s@delhi.gov.in | |
| 5 | Ms.Mahima Madan, IAS | SDM ( Mehrauli) | 26641772 | sdmmehrauli.delhi@nic.in | |
| 6 | Ms.Anita Yadav | SDM( Saket) | 29535190 | sdmsaket@gmail.com | |
| 7 | Dr. Mukesh Kumar | SDM(Hauz Khas) | 29536904 | hauzkhazsdm@nic.in | |
| 8 | Sh. Tanuj Bhanot | BDO South | 29536566 | bdosouth.delhi@nic.in | |
| 9 | Sh. Ajay Sachdeva | Tehsildar(Hauz Khas) | 29531082 | — | |
| 10 | Sh. Mukesh Kumar Sharma | Tehsildar (Mehrauli) | – | — | |
| 11 | Sh. Rakesh Kumar Pahwa | Tehsildar (Saket) | – | – | |
| 12 | Ms.Suman Lata | Sub-Registrar | 26646700 | ||
| 13 | Sh. Deepak Ahuja | Assistant Section Officer (ASO)/Gr-II (DASS) posted at LA Branch | — | — | |
| 14 | Sh. Arbind Kumar Singh | Assistant Section Officer (ASO)/Gr-II (DASS) posted at NT (LAC) Branch | — | — | |
| 15 | Ms. Poonam Chadda | Sr. AO, South | 29532314 | — | |
| 16 | Sh. Kulwant Lal Khatri | Section Officer (CTB,Coordination Relief,DUDA,MSME) | — | — | |
| 17 | Ms.Bharti Das | Section Officer (Admin) | 29532320 | gadcsouth@gmail.com |