Twenty-year-old Aadit Palicha is the man behind India's hottest start up. He was just 18 when he co-founded his quick commerce company Zepto. The firm delivers groceries to its customers in under 10 minutes and is currently valued at over a billion dollars. Aadit tells the BBC's Nikhil Inamdar where the idea for Zepto came from, how they achieve such fast delivery times and what it has been like building such enormous success so quickly.Presenter/producer: Nikhil Inamdar(Photo: Aadit Palicha)