The arrest of Chitra Ramkrishna, the ex-MD, and CEO of the National Stock Exchange in connection with the co-location scam is just the beginning, and more needs to be taken into custody, says Sree Iyer. Why is the Co-lo scam bigger than 2G? How are NIFTY 50 creators connected? A must-watch! #ChitraRamkrishna #NSE #CoLocationScam #CBI