MUMBAI -- When Gautam Adani, Asia's second-richest man and founder of rising Indian conglomerate Adani Group, was indicted in a U.S. federal court on bribery charges, investors braced for a shock similar to last year, when the company was roiled by accusations of financial improprieties by short-seller Hindenburg Research. That episode wiped $130 billion from the group's market value.






