India is today a young country where start-ups are now the buzzword. As entrepreneurship becomes 'uber cool' and aspirational, NDTV gets some of India's biggest and most well-known names in the start-up world to talk about what makes them and tick, lessons learnt from failure and tips for those wanting to be in their place. From SoftBank's Nikesh Arora on how he chooses start ups to invest in, to Snapdeal's Kunal Bahl on getting the right idea for your business, it doesn't get bigger than this.