Follow us on: 
Single Window Portal of Tamil Nadu Contact No.
Updated on Friday, 23 January 2026 - 3:05pm
Email
Organization:
Govt of Tamil Nadu Toll free Number(s):
- 1800 258 3878 (For Contact Support, 8:30am-8:30pm)
All India Number(s):
- 044-2434 6725 (Alternate Contact Support)
Website:
Official Website
Website:
Other Website IVRS Menu: 1800 258 3878
- Press 1: For information on the scope of industrial setup in Tamil Nadu.
- Press 2: For guidance on the procedural aspects of starting industry incentive facilities available in Tamil Nadu.
- Press 3: For grievance redressal.
- Press 4: For any other queries.
- guidance [at] tn [dot] gov [dot] in (For General Query)
- helpdesk [at] investtn [dot] in (For Helpdesk Query)
Important Links
Officers Contact Details
| Sr No. | Designation | Contact No. | |
|---|---|---|---|
| 1 | Managing Director & CEO | 044-24340631, 044-24346725 | md [at] investtn [dot] in |
| 2 | Executive Director | 044-24364630, 044-24346725 | ed [at] investtn [dot] in |
| Schedule Appointment Online | |||
Department Contact Details
| Sr No. | Department/Agency | Contact No. | |
|---|---|---|---|
| 1 | Agriculture Directorate | 044-28524894, 044-28521998 | doapc2014 [at] gmail [dot] com |
| 2 | Chennai Metropolitan Water Supply and Sewerage Board | 044-28459000 | md [at] cmwssb [dot] in |
| 3 | Commissionerate of Municipal Administration | 044-29864457 | indcomchn [at] gmail [dot] com , indcom [at] nic [dot] in |
| 4 | Greater Chennai Corporation | 044-25619200, 044-25381330 | commisioner [at] chennaicorporation [dot] gov [dot] in |
| 5 | Directorate of Town Panchayats | 044-25340352 | dtpsystem [at] gmail [dot] com , dtp [dot] tn [at] nic [dot] in |
| 6 | Tamil Nadu Water Supply and Drainage Board | 044-28416420 | twadho [at] gmail [dot] com , mdtwadboard [at] gmail [dot] com |
| 7 | Chennai Metropolitan Development Authority | 044-28415618, 044-28414855 | twadho [at] gmail [dot] com , mdtwadboard [at] gmail [dot] com |
| 8 | Rural Development and Panchayat Raj | 044-24344624 | drdchamber2021 [at] gmail [dot] com , drd [at] tn [dot] nic [dot] in |
| 9 | Directorate of Town and Country Planning | 044-28521495 | ctcptn [at] tn [dot] gov [dot] in , dtcpchennai [at] gmail [dot] com |
| 10 | Department of Public Health and Preventive Medicine | 044-29510136 | dphpm [at] rediffmail [dot] com , dphpm [at] tn [dot] nic [dot] in |
| 11 | Drug Control Administration | 044-24321830 | tndcad [at] gmail [dot] com |
| 12 | Department of Medical and Rural Health Services | 044-24343271, 044-24364755 | dmrhstn [at] gmail [dot] com |
| 13 | Commissionerate of Labour | 044-24321302 | com [dot] tnlabour [at] nic [dot] in |
| 14 | Directorate of Industrial Safety and Health | 044-22502103, 044-22502104, 044-22502102, 9445869600 | cif [at] tn [dot] gov [dot] in |
| 15 | Directorate of Boilers | 044-28522233 | dobtnche [at] gmail [dot] com |
| 16 | Public Works Department | 044-28525367 | eicbuildingspwd [at] gmail [dot] com , pc2cebuildings [at] gmail [dot] com |
| 17 | Water Resources Department | 044-28525351 | cegwchennai [at] gmail [dot] com |
| 18 | Commissionerate of Transport | 044-28520682 | tc [dot] tn [at] nic [dot] in |
| 19 | Police Department | 044-28447701, 044-28448000 | adgp [dot] scrb [at] tncctns [dot] gov [dot] in |
| 20 | Commissionerate of Land Administration | 044-28544800 | cla [dot] tn [at] nic [dot] in cla [at] tn [dot] gov [dot] in |
| 21 | Tamil Nadu Fire and Rescue Services Department | 044-28554156 | directorfrs [dot] tn [at] nic [dot] in , tnfrscamp [at] gmail [dot] com |
| 22 | Commissionerate of Prohibition and Excise | 044-28523331 | proexc [dot] tn [at] nic [dot] in |
| 23 | Tamil Nadu Forest Department | 044-24348059, 044-22337307 (F) | tnforest [at] tn [dot] nic [dot] in , pccfhod [at] gmail [dot] com |
| 24 | Tamil Nadu Pollution Control Board | 044-22353076 | tnpcb-chn [at] gov [dot] in |
| 25 | Tamil Nadu Electrical Inspectorate | 044-22500915 | ceig [at] tn [dot] gov [dot] in , ceig [at] tn [dot] nic [dot] in , eitech [at] tn [dot] gov [dot] in |
| 26 | Tamil Nadu Generation and Distribution Corporation Ltd | 044-28194338 | chairman [at] tnebnet [dot] org |
| 27 | Commissionerate of Industries and Commerce | 044-22505013 | indcomchn [at] gmail [dot] com , indcom [at] nic [dot] in |
| 28 | State Industries Promotion Corporation of Tamil Nadu Ltd | 044-45261770, 044-45261771 | md [at] sipcot [dot] in |
| 29 | Tamil Nadu Industrial Investment Corporation Ltd | 044-24344990 | md [at] tiic [dot] org |
| 30 | Tamil Nadu Small Industries Development Corporation Ltd | 044-29501422, 044-29500317, 044-29501461 | ho [dot] sidco [at] nic [dot] in , md [dot] sidco [at] nic [dot] in |
| 31 | Directorate of School Education | 044-28278796, 044-28272827 | comsedu [at] tn [dot] gov [dot] in , dirsedu [at] tn [dot] nic [dot] in |
| 32 | Inspector General of Registration | 044-24643878 | igrchennai [at] gmail [dot] com , igregn [at] tnreginet [dot] net |
| 33 | Geology and Mining Department | 044-28269968 | cgmchennai32 [at] gmail [dot] com |
| 34 | Department of Information and Public Relations | 044-25671300 | eicbuildingspwd [at] gmail [dot] com , pc2cebuildings [at] gmail [dot] com |
| 35 | Highways Department | 044-22354851 | cehcandmoffice [at] gmail [dot] com |
| 36 | Social Welfare and Women Empowerment Department | 044-25671545 | dsw [at] tn [dot] nic [dot] in |
| 37 | Commissionerate of Revenue Administration | 044-28523299 | com-ra [at] nic [dot] in , ad-cra [at] nic [dot] in |
| 38 | Commissionerate of Survey and Settlement | 044-28511210 | dir-sur [at] nic [dot] in |
| 39 | Commissionerate of Land Reforms | 044-28520669 | dir [dot] clr [at] tn [dot] gov [dot] in , landref [at] tn [dot] nic [dot] in |
| 40 | Civil Supplies and Consumer Protection Department | 044-28592255 | ccs [at] tn [dot] gov [dot] in |
Address
Guidance Tamil Nadu
Prestige Polygon Towers, 11th Floor,
No. 471, Anna Salai, Rathna Nagar,
Teynampet, Chennai-600 035, India
Social Sites
Parent Article:
