Sundar Pichai, the CEO of Google, returns to his alma mater, IIT Kharagpur, and reminisces about the good old days of college ragging, hostels, uneatable mess food and how he met his wife, a fellow student, there. Talking about India's start-up ecosystem, he raves about the country's digital potential and how the world's biggest tech companies can arise out of India. He further explains how Google fits into the vision of Digital India and what it takes to be a successful technology businessman on this special episode of Heads Up.