Overview The government has expanded the mandate and capabilities of the National Investigation Agency (NIA) to counter evolving threats. The ISIS Investigation Research Cell (IIRC) , initially focused on ISIS-related investigations, has been renamed as the Counter Terrorism Research Cell (CTRC) , broadening its scope to encompass various theatres of terrorism. This restructuring, announced on December 2, 2025 , reflects a strategic shift towards a more comprehensive approach to counter-terrorism. Key Developments Expansion of NIA's Mandate Renaming of IIRC: The ISIS Investigation Research Cell (IIRC) was renamed to Counter Terrorism Research Cell (CTRC) , signifying a broader focus beyond ISIS. Creation of Specialized Divisions: Several exclusive divisions have been established within the NIA, including the Anti Human Trafficking Division (AHTD) and the Anti Cyber Terrorism Division (ACTD) . These divisions aim to address specific and emerging threats. Establishment of NTDFAC: The National Terror Data Fusion and Analysis Centre (NTDFAC) has been created to leverage big data analytics for enhanced investigative processes. Increased Sanctioned Posts: The NIA now has a total of 1,901 sanctioned posts, with 769 posts added in the last five years. Expanded Investigative Powers: The NIA's mandate has been expanded to include offences related to the Explosive Substances Act, 1908 , Human Trafficking , Cyber Terrorism , and the Arms Act, 1959 . Pan-India Presence: The NIA has expanded its footprint across India, establishing 21 branch offices, along with 2 Zonal Offices in Guwahati and Jammu , and its headquarters in Delhi . UPSC Relevance This news is highly relevant for the UPSC Civil Services Exam, particularly for GS Paper 3 (Internal Security) . The expansion of NIA's mandate and capabilities directly relates to India's efforts to counter terrorism and maintain internal security. The creation of specialized divisions and the use of data analytics are important aspects of modern law enforcement and counter-terrorism strategies. Syllabus Mapping GS Paper 3: Internal Security - Linkages between development and spread of extremism; Role of state and non-state actors in creating challenges to internal security; Security challenges and their management in border areas; Linkages of organized crime with terrorism. GS Paper 2: Government Policies and Interventions for Development in various sectors and Issues arising out of their Design and Implementation. Exam Perspective Prelims Facts The year IIRC was created in NIA: 2018 . The new name of IIRC : CTRC . Acts that NIA is mandated to investigate: Explosive Substances Act, Human Trafficking, Cyber Terrorism, Arms Act . Total sanctioned posts in NIA: 1,901 . Locations of NIA Zonal Offices: Guwahati and Jammu . Function of NTDFAC : Big data analytics . Focus areas of AHTD and ACTD : Human trafficking and Cyber terrorism , respectively. Mains Analysis Discuss the significance of renaming IIRC to CTRC in the context of evolving terrorism threats. Analyze the role of NTDFAC in enhancing NIA's capabilities through big data analytics. Evaluate the effectiveness of specialized divisions like AHTD and ACTD in addressing specific security challenges. Assess the impact of expanding NIA's mandate on its overall effectiveness in combating various forms of crime and terrorism. Essay Themes Role of technology in enhancing national security. Evolution of counter-terrorism strategies in India. Importance of specialized agencies in addressing complex security challenges.