Don't forget to buy food and drinks in advance if you need them: train stations do not always have shops, while onboard cafés are not always available and often very expensive.
When the journey is as long as between Ahmedabad and Chennai, you should consider to take a flight to Chennai. If you book in advance, low cost airlines can provide flight that will make you save not only time but also money.
Which stations serve the rail line Ahmedabad - Chennai?
The trains to Chennai will leave from Ahmedabad Jn(ADI) and will arrive at Chennai Egmore(MS) or Mgr Chennai Ctr(MAS).
How long to you need to get to Chennai by train?
The average duration of the journey is 33 hours, but the fastest connections take you to Chennai in 32 hours and 35 minutes. The first train leaves from Ahmedabad at 07:09, while the last one leaves at 07:09.