Mumbaiwalas are the most indiffrent, when it comes to corruption. Thus, the cost of doing everything in Mumbai, be it infrsatructure, or even the smallest house job, is 20-30% more in Mumbai. One can understand it in a newly established place like Gurgaon, but in an established city, one expects better. USe RTI to see the amount of money that has been spent on infrastructure in Mumbai, and you will wonder where the money went. So forget asking for more money or blaming the centre, people need to wake up first.