CHENNAI: Beleaguered Wrestling Federation of India (WFI) president Brij Bhushan Sharan Singh has apparently been asked to appear for a hearing before a seven-member committee formed by the Indian Olympic Association (IOA) to probe the allegations of sexual harassment against him. The committee was formed at the request of the country's top wrestlers including Bajrang Punia, Vinesh Phogat and Sakshi Malik on January 20.