Travelkhana is such a good platform for booking meal on train journeys.i m using its app called travel khana.we just need to enter our pnr no. It will automatically tell you where is the food available.in which next station are they able to deliver.if any of our relatives is travelling and we don’t the pnr no. Than it has a feature too through that u can book the meal by just entering the train no. No additional information will be asked.you can pay while booking or there is an option too of cash on delivery.we can book breakfast lunch dinner.on major stations there are a number of receipes available.i never carry food while travelling after getting this app.