Evaluating the Shift from UN‑Centric Collective Security to Competitive Bloc Politics with Special Emphasis on Smaller Non-Alligned Nations
AGENDA
DISARMAMENT AND INTERNATIONAL SECURITY COUNCIL
Double Delegation
The Disarmament and International Security Committee (DISEC) has long served as a pillar of multilateral cooperation, working to maintain global peace through collective security under the United Nations. Yet today, this framework faces growing strain. At DSMUN 2026, DISEC addresses a significant shift in global politics: the movement from UN-centric cooperation to the rise of competitive bloc politics. From persistent Security Council deadlocks to the emergence of strategic alliances and regional groupings, global security is increasingly shaped by rivalry rather than consensus. The principle of collective security, built on cooperation and shared responsibility, now faces challenges from selective multilateralism and shifting power dynamics. As blocs expand their influence and pursue strategic interests, concerns arise regarding the credibility, effectiveness, and future of UN-led mechanisms in maintaining peace and stability. DISEC’s mandate calls for clear and balanced analysis. Delegates must assess whether this shift reflects the failure of existing systems or a natural evolution of international order, and whether an increasingly fragmented world can sustain lasting peace while managing rising geopolitical tensions.
CHAIRPERSON
hrishikesh aiyer
Hrishikesh Aiyer is a 12th-grade IBDP student. With a concentration in History, Economics and Mathematics, he enjoys research in subaltern studies and epistemology. Within the School, he is the captain of the School Debate team and has captained the team to several commendable performances. He also serves as Editor-in-Chief of the Doon School Weekly, the oldest-student led publication in the country, where he pushes discourse and political discussions within the community. He pushes for similar discourse within his role as Secretary of the Student Council, aiming at making the School a more intellectually vivid environment. If you catch him in the flesh, you'll see him by the tennis courts, serving his responsibility as the School Tennis Captain. He also serves as Executive Director of the YEC. He wishes delegates the very best and looks forward to some exciting deliberations.
Siddham Tater is a 12th-grade IBDP student with a profound interest in Economics and Mathematics. He is deeply involved in school governance and policy, serving as a School Prefect. A veteran of the MUN circuit, he has participated in numerous conferences, also serving as a Deputy Chairperson for the Disarmament and International Security Committee. As the Boy-in-Charge of the Accounts, Commerce and Economics Society, he leads school-wide discourse on current affairs and mentors juniors in academic research. Outside the committee room, Siddham is an avid artist and sculptor, having exhibited his work at the Doon School’s 90-year exhibition and won awards for sculpture design. He is also an accomplished trekker, having summited Pangarchulla Peak at 4590 metres. On the sports field, he enjoys playing hockey. Building on his experience as a delegate and a leader, Siddham is proud to serve as the Committee Director for the Disarmament and International Security Committee in DSMUN.
