A Mauritius connection that the WSJ shows is part of the Adani expansion story. WSJ says one of the largest shareholders of Adani Power is Opal Investment Pvt. Ltd. Adani Power shows Opal as an independent shareholder with no ties to Adani Power beyond its 4.69% stake in Adani Power. WSJ says its review of corporate filings shows that Opal was incorporated in the island nation of Mauritius by Trustlink International Ltd, a financial services firm with ties to the Adani family. WSJ says whether Adani family members or executives wield influence over Opal lies at the heart of allegations by Hindenburg Research of New York City. Companies without a free float of at least 25% of shares risk being delisted under rules set by the Securities and Exchange Board of India. WSJ says in the third quarter of the current financial year ending March 31 Adani family members and companies with ties to the Adani empire held 74.97% of Adani Power shares, according to corporate filings. And Opal's stake in Adani Power accounts for nearly 19% of the shares that Adani Power is required to float to independent shareholders. Off shore investment companies based on the Indian ocean island of Mauritius have limited requirements for corporate disclosures. WSJ says they play a key role in Adani firms' efforts to tap capital markets. ...