The location here is the Nellore Railway Station where the train passed through smoking.  The train was stopped shortly after north of the station.

The Nellore train fire occurred on 30 July 2012, when the Chennai-bound Tamil Nadu Express train caught fire at 4:22 am near Nellore, Andhra Pradesh, India. At least 32 passengers died and 27 were injured. The fire gutted the S-11 sleeper coach in 20 minutes. A railway emergency crew prevented the fire from spreading to the other coaches.

• http://en.wikipedia.org/wiki/Nellore train fire