Business SEBI will come out with circular to prevent Karvy-like incidents, says chairman Ajay Tyagi Updated : February 18, 2020 06:30 AM IST In November, the watchdog barred KSBL from taking new brokerage clients. According to Tyagi, NSE is in correspondence with Karvy and has also issued them a notice. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.