National Investigation Agency (NIA) is a federal agency approved by the Indian Government to combat terror in India. The agency is empowered to deal with terror related crimes across states without special permission from the states. The National Investigation Agency Bill 2008 to create the agency was moved in Parliament by Union Home Minister on 16 December 2008. NIA was created after the Nov 2008 Mumbai terror attacks as need for a central agency to combat terrorism was realised.The current Director General is S.C Sinha who succeeded first Director-General of NIA R.V Raju as he retired. - Source: Wikipedia