on the web food delivery in train at guntakal jn junction. Order food on train at guntakal jn (gtl). Food delivery in train at guntakal jn railway station.
I have found this bolivian transport described inside a e-book https://caoimhechyg886265.blogozz.com/27649528/facts-about-train-food-service-at-gudur-railway-station-revealed