The reason is, again, the poorest people in the country have the lowest per capita consumption. This is one reason the Indian government is trying to increase production. The price is out of reach of many of the poorest people in India. And simply, you've had an enormous population increase, and the supply just simply isn't there. The potential market is enormous; the actual market is limited by the economics of the buyer.
On February 27th, 2013. See this statement in context.