After China and the U.S., India is the market Uber lusts after most. The cab wars there are in their early days — some 97% of Indians don’t even own cars. But to see what Uber is up against, just stand on a busy corner in the sultry coastal city of Chennai and count the number of OlaCabs that pass by. With a three-year head start, Ola has outrun Uber from the get-go. It says it has 80% of the market, is growing 30% to 40% month over month and provides some 750,000 rides per day in 250,000 vehicles, including private sedans