Tamil Nadu Government - Official website with detailed information about its departments.

Department of Employment and Training - Includes job alerts, career advice, and employer information.

Department of Environment - Includes environmental information, district profiles, schemes, details of public utilities, and a photo gallery.

Department of Geology & Mining, - Details of the department, the mining industry in the state, and online forms.

Directorate of Estates - Regional Office of the Directorate of Estates, Ministry of Urban Affairs, New Delhi.

Directorate of Pensions - Government guide to pensions, with details of benefits, medical facilities, procedures, grievances, and other information. Includes downloadable forms.

The Directorate of Small Savings - Information about the various Small Savings schemes formulated by Government of India.

Elections Departments - Details of enrollment for voting, and downloadable forms.

Municipal Administration and Water Supply Department - Details of organisational structure, orders, policies and rules, contact information.

Regional Passport Office - Official web site of Chennai office, with FAQs, status of enquiries and application forms online.

Social Defence Department - Official website of Directorate of Social Defence, Government of Tamil Nadu with details on missing children Bureau, juvenile justice, rehabilitation institutions and childline phone services.

State Transport Authority - Web site of Transport Commissioner. Includes details for obtaining driving licences, registration of vehicles and permits.

Tamil Nadu Electricity Regulatory Commission - Information about this body, news, regulations, links.

Tamil Nadu Forest Department - Information on the department, biodiversity and wildlife, wildlife tourism and photograpby.

Tamil Nadu Prison Department - Information on practices, reformation, amenities, statistics, FAQs, photo and video gallery.

Tamil Nadu State Fire Service - Details of services, tips and posters on fire prevention, fire station contact details, statistics, photo and video gallery.

Tamilnadu Corporation For Development of Women - A government undertaking with a mission to build the capacity of poor and disadvantaged women in order that they are enabled to cross all social and economic barriers, and thereby facilitate their full development into empowered citizens. 

Tsunami Rehabilitation Programme - Includes damage reports, contact information, and accounts of relief operations.