Yatras

Past
http://bhaktisiddhanta.blogspot.in/search/label/South%20India%20Tour
http://simultaneouslyoneanddifferent.blogspot.in/2011/01/tour-of-south-indian-temples.html

Present
http://www.radhanathswami.com/

https://www.google.com/search?q=lokanath+swami+South
http://www.romapadaswami.com/

Future
http://www.sivananda.org/
http://www.shubhyatra.com/southindia.html

https://www.google.com/search?q=railtourismindia