Rickshaw, Buses are definitely not few so that we have to left the train even its not stop to catch those.
Its easy to say but this is now how it works. People stand on foot-board even if crowded because there is a reason. If they miss their regular train, they will get next train after 10-15 minutes, then it will add delay in taking bus or rickshaw again and all this will sum up half an hour of delay in reaching office or destination. So, to save all this delay most of the people take risk of life.
There is huge crowd and very less trains to accommodate them. Rickshaw, bus, taxi are not sufficient enough to handle this crowd. Roads are pathetic. Very less people prefer to travel by road. All those who have money took out their card, burn the fuel and enjoy ride in AC.