Correct Answer: (d) Arjun Vajpai
Solution:In May 2012, Arjun Vajpai became the first Indian to achieve this feat by climbing Mt. Everest at the age of 16 years, 11 months and 18 days. In the World Stage American mountaineer, Jordan Romero, holds this record. He achieved this feat at the age of 13 years, 10 months and 10 days in May 2012. In 2013, Raghav Joneja climbed Mt. Everest at the age of 15 years, 7 months. At present, India's Malavath Poorna is the youngest Indian to climb Mt. Everest. In March 2014, she achieved this feat at the age of 13 years, 11 months and 15 days.