With completion of Seven Summits and their successful expeditions to the geographical Poles (see entries), twin sisters Tashi Malik and Nungshi Malik (b June 21, 1991) of Dehradun, Uttarakhand became the world’s first siblings and twins to complete the Adventurers (Last Degree) Grand Slam, a challenge to reach both the Poles from the Last Degree and climb the seven summits, and the Three Pole Challenge (Mt Everest and the North/South Poles). They were also the youngest women in the world and first South Asian women to complete both Adventurers Grand Slam and Three Pole Challenge.