For personal reasons he suggests that rubbish cans and food for eating should be thrown in garbages situated in train stations and inside train carriages. Cleanliness is a good thing. From a medical point of view every commuter should also be allowed to wash hands after eating and keep things clean - like most people do at home!
One very important fact for Sydney Trains, is that public transport security with using measures like cameras, is pretty much unheard of in India for their railways. These positive security measures are great to the Sydney Trains network!