Hi there!
We left Agra on Friday afternoon and arrived in Delhi by train in the early evening (no upgrades this time!).
Delhi is a massive place with lots of extremes e.g. rich/poor, clean/dirty, hot/cold. One minute you are going down a neat, highway with well kept verges, then you turn onto a road where people are living tents made of plastic sheeting and wooden posts. I've seen families living on the islands between carrageways on roads! It's crazy (I think ...