Catch Urban Development Minister Venkaiah Naidu speak to ET NOW about Prime Minister Modi’s smart city push! He says the said 100 smart cities selected by the urban development ministry will have to be smart in terms of tax collection, governance, revenue, services and accountability, among other aspects. He also says three main models for smart cities will be retrofitting, redevelopment of existing cities, and development of satellite towns. And that there is huge opportunity for global and domestic companies because the government will look at a PPP model. Listen in to this excerpt of his conversation.