Information Technology has been the backbone of success of the National Stock Exchange of India Limited (NSE). NSE is a pioneer in technology and ensures the reliability and performance of its systems through our culture of innovation and investment in technology. Towards this, a wholly owned subsidiary, namely, NSE Infotech Services Limited (NSETECH) has been incorporated to cater to the needs of NSE and all its group companies, exclusively. NSE has regularly urgraded its information technology systems and infrastructure, with the over-arching goal of achieving higher capacity and lower latency, improving market efficiency and transparency, enhancing user access and providing flexibility for future business growth and market needs. The various application systems that NSE uses for its trading as well clearing and settlement and other operations form the backbone of the Exchange framework.