The U.S. indictment of Gautam Adani has thrown a spotlight onto the rolling risks of India’s solar industry. Last week, prosecutors in New York charged the billionaire and several others of securities and wire fraud by agreeing to bribe government officials to secure solar power contracts for the Adani Group’s $19 billion renewable energy unit.

One of Asia’s richest men, controversial Indian tycoon Gautam Adani, is again in the spotlight. His companies’ stocks plunged up to 20% on Thursday after he was indicted by U.S. prosecutors on charges