Renee Bonorchis Loni Prinsloo Bloomberg

For years, brothers Ajay, Atul and Rajesh Gupta were ranked among South Africa's most prominent businessmen and socialized with the ruling elite, including their friend, then-President Jacob Zuma.

For years, brothers Ajay, Atul and Rajesh Gupta were ranked among South Africa's most prominent businessmen and socialized with the ruling elite, including their friend, then-President Jacob Zuma.