La Martiniere Calcutta Model United Nations is an annual Model United Nations conference organized jointly by the La Martiniere Schools, Kolkata on their campus. The pinnacle of diplomacy and collaboration, LMCMUN 2009 was the first conference of its kind to be held in eastern India. It provided a platform to both national and international schools to express themselves, and it has never looked back since. Ever since its inception, LMCMUN has surmounted greater heights making it the largest and most prestigious conference in Eastern India.

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The committees simulated at LMCMUN are chosen with the intention of maintaining the traditional aspect of Model United Nations whilst educating the delegates and providing them with an opportunity to express themselves in committees of their choice. Engaging debate, quality paperwork and exemplary diplomacy have been the cornerstones of the conference over the years, wherein delegates deliberate on matters of global significance and hone their problem-solving capabilities and gain an insight into the nuances of the seemingly complex world of geopolitics.

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After a two year hiatus in 2020 and 2021 and an online edition in 2022, LMCMUN returns back offline after 4 years for its 12th Chapter, which is sure to be the grandest it has ever been.