Mumbai- Whose city it is??!!

Mumbai is teh capital city of Maharashtra.. and because it is a city with huge opportunities it has become financial capital of India... then some body comes out and says this city belongs to all indians.. which city in india doesn't?? only because it is having investments it belongs to all??.. what abt other cities? ..
here comes a question how can u measure the development of a city?.. just by the expansion and population? or any other criteria like better facilities, transportation,health,education etc to all people living in the city?

native people in big cities are suffering because under the name of development, their existemnce and rights are questioned... i know a fello in bangalore who is complaining that we dont want IT here because teh rentals have gone up like hell and common people (natives ) of bangalore can not live here any more... so if the so called development is not improving the standard of life of natives..why do we need development?

can't the government develop multiple cities ..there by reduce congestion in big cities, the fruits of development reaches more places,people ..