Bhavish Aggarwal has embarked on the ride of his life. The intrepid entrepreneur is in the last lap of his audacious new venture, an electric two wheeler factory with an initial capacity of two million vehicles a year. There is no guarantee he will succeed. It isn’t easy making that many vehicles but selling them is an altogether different challenge. Ask Hero Electric which has around 42 percent share of the market and manufactures just 75,000 units a year. Better still...