As soon as a train enters the platform, the scene changes. Waiting passengers rush toward the doors. Some are carrying luggage, while others have children in their arms. Some are getting off, while others are trying to get on. Within moments, a crowd gathers at the doors. There is pressure from behind, but no room in front. Then comes the whistle.There is no time to look for a seat. Passengers have to board through whichever door is in front of them. Many end up getting into the wrong coach. The...