Mumbai: The Securities and Exchange Board of India (Sebi) has directed Avadhut Sathe Trading Academy and its finfluencer founder, Avadhut Sathe, to refund ₹546.18 crore collected from investors after finding that they had provided unregistered investment advisory and research analyst services under the guise of stock market education.In its final order on Friday, the regulator barred the academy and Sathe from accessing the securities market for two years or until they comply with the refund directions, whichever is later.