Indiaclickinfo
Link page and website for a series of directories and guides providing information about the country.
Southindia
Provides information about South India's travel packages, information to tourists, and students.
Tamil Nadu Cities Guide
Comprehensive guide to towns and cities in Tamil Nadu
Tnoli
Business portal for Chennai and Trichy. Information about businesses, hotels, and travel.
Trichy Yellow Pages Net
The most comprehensive yellow pages business directory from India
Vanavil
Portal site for Tamils covering shopping, film reviews and songs and articles.
Virtual Heart of Tamilnadu
A discussion forum dedicated to every district headquarters in Tamil Nadu
Wikipedia - Tamil Nadu
Guide to the state. Includes information on geography, language, history, and economy. Links to district and more specific data.