 Bombay High Court appointed committee has also questioned the genuineness of the trading clients and whether in fact there are 13,000 trading clients who have reportedly suffered due to the crisis.In addition, the Serious Fraud Investigation Office (SFIO) has sought detailed answers from the 13,000 so-called investors to uncover if the brokers induced them to trade in the commodities spot exchange.The 6-page questionnaire also wants answers on the non-payment of value-added tax at the time of trading.