Hasan Ali Khan (born c. 1954) is an Indian businessman. In 2007, Indian authorities began investigating Khan for suspicion of money laundering. He had a Swiss bank account with $8 billion in deposits. He allegedly stashed away billions into Swiss bank accounts with the help of Kolkata based businessman, Kashinath Tapuriah and Delhi based Praveen Kumar using hawala. As of October 2013, Hasan Ali is in jail since his bail petitions have been rejected several times by various courts including the Bombay High Court and the Supreme Court of India.