DPS-MIS student Harini Muthukumaran won the first prize at the national-level art contest organised by Qatar Poison Prevention Center for school students. Muthukumaran, a class 9 student, competed in the 11-13 years category in the contest, which was part of the National Poison Prevention Week activities organised by the centre. The competition aimed to raise awareness among students of the dangers of poisoning and how to prevent it. (TNN)