In the wake of U.S. bribery allegations against top executives of India’s Adani Group, the country faces a reckoning with an economic model that has allowed a small group of entrepreneurs to grow fabulously rich.

Adani, 62, one of Asia’s richest men, was thrust into the spotlight last week when U.S. prosecutors in New York charged him and seven of his associates with securities fraud.

Some nations and investors have either scrapped deals or halted investments in the Adani Group, after the United States indicted its billionaire chairman Gautam Adani for alleged bribery and fraud to win contracts for a group company,