Online booking

Train Booking - http://www.irctc.co.in/

Bus Services

TNSTC - http://www.tnstc.in/
RedBus - http://www.redbus.in/
TicketGoose - http://www.ticketgoose.com/
Karnataka State Road Transport Corporation - http://www.ksrtc.in/
ABT Travels - http://www.abtxtravels.com/
KPN Travels - http://www.kpntravels.in/
Parveen Travels - http://www.parveentravels.com/

Air Services

Paramount - http://www.paramountairways.com/
Jet - http://www.jetairways.com/
Kingfisher - http://www.kingfisher.com/
Spice - http://www.spicejet.com/
Indian Airlines - http://www.indianairlines.in/
AirIndiaExpress - http://www.airindiaexpress.in/
Indigo - http://www.goindigo.in/
Makemytrip - http://www.makemytrip.com/
Yatra - http://www.yatra.com/