Even as the Congress continues to play hard ball, just how difficult is it going to be for the Modi government to pass this very important GST legislation in Parliament? Senior Congress Leader Mani Shankar Aiyar answers this question and more in this exclusive conversation with ET NOW’s Supriya Shrinate. A simple & comprehensive GST, he says is what will make him happy, but if the government refuses to budge and incorporate Congress’ demands, Congress will see who has the numbers to pass the bill! Listen in.