India's Metro Rail Expansion Swift Enough?

Metro Rail stands as a sustainable transport solution to the growing vehicular air pollution. Is the expansion of India's metro rail network in sync with the pace of urban population growth? Manisha Natarajan gets the answers Sanjeev Kumar Lohia, Former OSD and EO Joint Secretary (Urban Transport) MOHUA, MA Siddique, MD Chennai Metro Rail Limited and Amit Bhatt, Managing Director for India at International Council on Clean Transport.