Contact Directory
| Collectorate | |||
| Designation | Landline No | Phone No | |
| Collector | collrchn@nic.in | 044-25228025 | 9444131000 |
| P.A.(General) to the Collector | pagchn@nic.in | 044-25268323 | 9445008132 |
| DRO | drochn@nic.in | 044-25229454 | 9445000901 |
| Deputy Commissioner (Excise) | dcechn@nic.in | 044-25270456 | 9445074574 |
| DRO(Stamps) | drostamps@nic.in | 044-25268320 | 9842411775 |
| Special Deputy Collector (SSS) | sdcchn@nic.in | 044-25265533 | 9080144760 |
| Revenue Divisional Officer, Chennai Central, Ambattur | ambrdo.tntlr@nic.in | 044-26541220 | 9445461834 |
| Revenue Divisional Officer, Chennai North, Tondiarpet | rdptpt-chn@gov.in | 044-25911365 | 9385250785 |
| Revenue Divisional Officer, Chennai South, Egmore | rdoegmr_chn@gov.in | 044-22351424 | |
| District Informatic Officer(NIC) | lchennai@nic.in | 044-25264205 | |
| District Social Welfare Officer | chndswo.4568@gmail.com | 044-25264568 | 9444404090 |
| District Adi Dravida Welfare Officer | dadwchn@nic.in | 044-25225657 | 7338801253 |
| District Backward Class Welfare Officer | dbcchn@nic.in | 044-25241002 | 9445477825 |
| Inspection Cell Officer | ico.tnchn@gov.in | 8248989232 | |
| Assistant Director of Survey and Land Records | adsurchn@nic.in | 044-25226035 | 9940233434 |
| District Differently Abled Welfare Officer | dawochn@gmail.com | 044-24315758 | 9499933470 |
| District Manager (TAHDCO) | dmmastahdco@yahoo.com | 044-25246344 | 9445029456 |
| Personal Assistant(Accounts) to the Collector | paachn@nic.in | 9445889530 | |
| Personal Assistant (Legal) to the Collector | palchn.tn@nic.in | 044-25268320
044-25220026 |
|
| District Social Welfare Officer (North) | 044-25264568 | 9443484635 | |
| District Social Welfare Officer (South) | 044-25264568 | 9941249939 | |
| District Child Protection Officer | 9442157242 | ||
| Food Safety Officer | 9442225555 | ||