You may form small groups to see some parts of Chennai: 1) Kapaleshwar temple, Vivekananda museum and Marina beach.
2) Dakshinachitra (handicrafts centre, nex t to Dizee world), Crocodile bank, Marundeshwar temple and Elliot beach or the Tiruvanmiyur beach.
3) Ashtalakshmi temple, Guindy national park and Besant Nagar beach. You may contact the following travel agency to book a car:
Pambam Travels: 9841818162 (mobile)
The cost is Rs 300 for 3 hours.
For short trips to the city, the numbers of the call taxi are:
# Barathi Call Taxi - 2814 2233
# Fast Track Call Taxi - 2473 2020
# Chennai Call Taxi - 2538 4455