Three Indian cities -- national capital New Delhi, financial capital Mumbai and south Indian metropolis Chennai -- are among the 10 worst cities in the world to be working in, said a recent survey conducted by an international consultant institution published today.

Business Week quoted ORC Worldwide as saying in a recent survey that while Mumbai is the 5th worst city in the world to be working in, New Delhi, which is to host 2010 Commonwealth Games, follows at number six and Chennai is at the 10th spot.