 However, the authenticity or genuineness of these so-called investors is under scrutiny.Many brokerage firms misused and cheated the trading clients by misrepresenting facts, mis-selling NSEL contracts and also misusing the KYC of trading clients without their knowledge and as a result of which, trapped them of huge exposures on the NSEL platform.On June 27, 2016, some trading clients received notices from the income-tax department seeking details, among others, of source of funds, bad debt claimed during assessment years 2014-15 and 2015–16 and their transactions made on NSEL.