While there is a sense of unceratinty in the business environment globally, there is still room for optimism. That's the word coming in from Infosys CEO - Vishal Sikka. Speaking exclusively to ET NOW's Supriya Shrinate, Sikka says that while there is concern over the possiblity of tougher visa regimes under Trump, he is not opposed to the idea of local hiring and feels that the move may not have a negative impact on margins.