CEO Tamil Nadu website www.elections.tn.nic.in has primarily been created for communication between the electors of Tamil Nadu and the Department of Elections in Tamil Nadu. It provides relevant information about the State Electoral Machinery and the various activities of this department. Various important forms are also available on the site for download.
Tamil Nadu Election Commission - www.elections.tn.nic.in
You can also view district wise/ constituency wise Electoral Rolls and list of polling stations in Tamil Nadu and results of assembly polls/ by elections.
related:
eci.nic.in, www.eci.gov.in - Election Commission of India website