Delhi and Mumbai are the new darlings of international foreign direct investment. In this issue of India Briefing we examine both cities, with demographics, details of tax incentives and free trade zones, and portray the reality of investing in the political capital of India. Mumbai meanwhile is a resurging economy and India's financial capital - a city of opportunities. From history to economy, SEZs to FDI, this issue details these two Indian powerhouses. We also introduce the Mumbai Delhi industrial corridor; describe the phases of developments that these cities are experiencing, and compare the considerations involved in starting a business in the two modern metros of India.