Woody Allen once said 80 percent of success comes from just showing up. In that regard, MakeMyTrip has shown up in the right place. The company commands half of Web travel-agency bookings in India, where a rising middle class is increasingly on the go. Moreover, MakeMyTrip is growing faster than the market. Though its $70 million U.S. IPO doesn't come cheap, it should put buyers on the runway to gains.