(Bloomberg) -- Qatar’s sovereign wealth fund invested 82.78 billion rupees ($1 billion) into India’s biggest brick-and-mortar retailer as Asia’s richest man Mukesh Ambani looks to rapidly expand its operations and take on global competitors including Amazon.com Inc. and Walmart Inc.Most Read from BloombergHuawei Is Building a Secret Network for Chips, Trade Group WarnsGoldman Is Cracking Down on Employees That Aren't in Office Five Days a WeekMusk Told Pentagon He Spoke to Putin Directly, New Yo