Gautam Shantilal Adani is an Indian billionaire industrialist who is the chairman and founder of Adani Group, a multinational conglomerate involved in port development and operations in India. In September 2022, he was ranked second on the Bloomberg Billionaire Index.
https://en.wikipedia.org/wiki/Gautam_Adani

Hindenburg, a research and investment firm, released a report accusing Adani of fraud on Jan 25th, 2023. Currently, he's 24th on the Forbes list of billionaires.
https://www.internationalintrigue.io/scandal-rocks-indias-adani-group-as-the-huge-conglomerate-is-accused-of-fraud/

There has been no probe on the Adani Group, as of now. Although the opposition leaders are demanding it.
https://www.financialexpress.com/india-news/parliament-budget-session-resumes-mallikarjun-kharge-rajya-sabha-lok-sabha-jpc-adani-hindenburg-row-central-agencies-misuse/3006831/