How to find Chennai MTC Bus route Information online?

If you are in Chennai, and if you are looking for MTC Bus route information, the following websites will be useful to you. Some of these websites gives both Route-wise and Stage-wise information with a Bus Route Map. Among these websites I personally prefer to find Bus route information in http://busroutes.in as this site has been developed having high usability in mind. Explore these sites and bookmark them for future reference.

1) http://busroutes.in/chennai/
2) http://rab.in/bus/
3) http://my.metrocommute.in/
4) http://www.mtcbus.org/ (Official site of MTC)
5) http://www.chennai-directory.com/bus/chennaibusroute.php
6) http://www.spiritofchennai.com/service/busroutes.htm