In this study I looked at existing situation of public transport in Mumbai city. There are many factors which influences the public transport in Mumbai. It is very important to understand these key players which are affecting the public transport in Mumbai , to understand the route causes of the same. The city is said to be on the limit of its saturation. All the resources including water, land, train etc. are at their limits. The number of vehicles on road is putting the stress on the road network and eventually on the public transport.