Runs full always.Keep your ticket in your pockets till TPJ.Ticket checking is very rampant and TTE rude if you take time to take out your ticket and ID proof.
Reaches TPJ before time and very punctual till ERS.Dinner can be had from TPJ.If travelling in higher classes the Coach Attendent goes outside the station premises for food parcel for himself.Try getting it through them to savour a good vegetarian dinner.
If de boarding at intermediate stations in Kerala before time arrival is a high possibility.