India’s Adani Enterprises said it is in discussions with the U.S. Office of Foreign Assets following a request for information linked to earlier media allegations involving billionaire Gautam Adani.

The U.S. Securities and Exchange Commission (SEC) has requested a U.S. court’s permission to personally email summons to Indian billionaire Gautam Adani and group executive Sagar Adani over alleged fraud and a $265 million bribery scheme, according to court filings.

India’s Adani Group plans to aggressively expand its airport business, with billionaire Gautam Adani’s conglomerate set to bid for 11 government-owned airports as part of an $11 billion airport infrastructure expansion, a senior executive said.

Indian billionaire Gautam Adani has been charged with fraud in the United States, accused of orchestrating a $250 million (£198 million) bribery scheme to raise funds in the country.