Both Gautam Adani and his nephew Sagar Adani, a director at Adani Green Energy Ltd, have been summoned by the US Securities and Exchange Commission (SEC) to respond to the charges within 21 days.

Indian billionaire Gautam Adani, one of Asia’s richest men, may be facing his biggest challenge yet with an indictment by U.S. prosecutors for alleged fraud and bribery. But it’s unclear just how the case will affect his businesses and own future — as well as the Indian economy and government.

Gautam Adani, the billionaire chair of Indian conglomerate Adani Group and one of the world's richest people, could face a long road to trial in the U.S. on criminal charges over his alleged role in a multi-billion-dollar fraud and bribery scheme.

After US federal prosecutors charged Gautam Adani and several associates with fraud, media coverage in India has ranged from dryly factual to over-the-top in its defensiveness, revealing a divide over how to appraise bribery accusations against one of the nation’s richest businessmen.

Indian billionaire Gautam Adani has been indicted by U.S. prosecutors for his alleged role in a $265 million scheme to bribe Indian officials, sending shockwaves across his eponymous $142 billion ports-to-soybeans business conglomerate.