Census of 2011puts in numbers what we have always known, a sharp raise in the urban population. Adding to that is the inference that for the first time since 1921 that this raise in urban population is more than that of in rural India. And obliviously there are too many reasons, the details of which we are not delving into. But we are focussing into the consequence of this finding given that this trend is the future. Urban development with a focus on sustainability is as much a concern as that of the rural. Reason:Time-criticality.You don't want to chase a bullet train in a bullock cart. Urban growth, in terms of population,economy and industrialization is exponential. With that the natural side effects of congestion, pollution and de-gradation of quality of life