| SL. NO. | DESIGNATION | PHONE |
| 1 | ASSISTANT COMMISSIONER | 044-22282115 |
| 2 | ADMINSTRATIVE OFFICE | 044-22282115 |
| 3 | ASSISTANT EXECUTIVE ENGINEER | 044-22282115 |
| 4 | ASSISTANT ENGINEER | 044-22282115 |
| 5 | SUPERINTENDENT | 044-22282115 |
| 6 | TOWN PLANNING INSPECTOR | 044-22282115 |
| 7 | SANITARY OFFICER (Sembakkam Wd-39, 40 & Chitlapakkam Area) |
9444248578 |
| 8 | SANITARY INSPECTOR (Pallavaram Area) |
8825665966 |
| 9 | SANITARY INSPECTOR (Sembakkam Wd-41, 42) | 9962720153 |