As Sebi Orders NSE to 'Disgorge' Rs 1,000 Cr, Here's All You Need to Know About the Co-location Case

The co-location case dates back to 2015, when a whistleblower wrote a letter to Sebi alleging that NSE was giving a few high-frequency traders and brokers preferential access to its trading platform.

from Top Business News- News18.com http://bit.ly/2vx6892