Since the bribery indictment last week, Indian billionaire Gautam Adani's net worth has tumbled almost $16 billion to about $54 billion currently, according to Forbes real-time data. The group is also facing a backlash from investors and business partners.

Kenya has terminated two high-profile agreements with India’s Adani Group, intensifying scrutiny on the conglomerate, which is already reeling from allegations of bribery by US authorities.