It is being organised by the UN-ECOSOC-OBS IIMSAM on January 25.
"I am happy and I am very proud that my film 'Gul Makai' is being screened in London," Khan said in a statement.
UN Goodwill Ambassador Roy Fernandes said the film will be screened for 450 dignitaries from across the world. These include members of the UN and IIMSAM (Intergovernmental Institution for the use of Micro-algae Spirulina Against Malnutrition).
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