What is NIA Agency, Full Form , Roles & Responsibilities The National Investigation Agency ( NIA ) is the country's leading counter-terrorism authority, unwaveringly committed to defending India against terrorism and illegal activities. The National Investigation Agency ( NIA ) is headquartered in New Delhi and has branches in Bengaluru, Chennai, Chandigarh, Guwahati, Hyderabad, Imphal, Jammu, Kolkata, Kochi, Lucknow, Mumbai, Patna, Raipur, and Ranchi. The NIA is a statutory body established under the NIA Act 2008 and functions under the Ministry of Home Affairs. It was established in the aftermath of the 26/11 Mumbai terror attack which exposed the limitations of existing intelligence agencies to prevent and fight such attacks. National Investigation Agency ( NIA ) is an agency of the Government of India that is responsible responsible for the investigation and prosecution of offenses related to terrorism, insurgency, and other serious crimes.
