Demonetisation was clearly warranted and while there might be glitches with its execution, it is inevitable when there is an element of surprise, that's the word coming in from KV Kamath - the chairman of New Development Bank. Speaking exclusively to ET NOW's Supriya Shrinate, Kamath also says that while the full impact of cash ban is yet to be seen, consumption will be the next big driver of growth for India. Listen in.