Monsoon not only brings torrential rain, but in a densely populated metropolis
. Overflowing storm water drains
. Traffic snarls, which last for hours, as no one wants to venture across 1 foot depth
. Power outages due to trees snapping overhead lines
As Delhi is predominantly dray place eleven months a year, there is no provision to dry clothes in most flats, so your clothes take days to dry out (otherwise it is a few hours time).