The "cola war" for market share between billionaire Mukesh Ambani's Campa Cola, Coca-Cola and Pepsi has sparked a refrigerator boom in India, Bloomberg reported. As the firms push expansion, the so-called visi-coolers are being installed in mom-and-pop stores. "There's a million chilling equipment...going in market on a year-to-year basis," PepsiCo's India bottler Varun Beverages Chairman said.