Commuters alight from local suburban trains at a Church gate station in Mumbai, India. Nearly 7 million commuters use the overtaxed suburban rail network each workday in Mumbai.
According to UN Population Fund (UNFPA) the world population will reach seven billion Oct. 31, 2011. Already the second most populous country's with 1.2 billion people, India is expected to overtake China around 2030 when its population soars to an estimated 1.6 billion.(AP Photo/Rafiq Maqbool)] ***  ** Usable by LA and DC Only **