Last year, allegations of governance issues were made public. A number of independent directors have resigned from PTC India since then, including former diplomat Preeti Saran, BSE chairman SS Mundra, former finance secretary Sushma Nath, and Jayant Gokhale, founder of accounting firm Gokhale & Sathe. Since the issues in its subsidiary surfaced, Nath said governance standards had deteriorated at PTC India as well, the report added.