[2] He broke a record set by Krushnaa Patil of Maharashtra, who climbed Mount Everest at the age of 19.

On 20 May 2011, he became the youngest person ever to summit Lhotse, aged 17 years, 11 months, and 16 days.

He underwent training at the Nehru Institute of Mountaineering, Uttarkashi, Uttarakhand.

[4] On 14 October 2015 Arjun Vajpai along with mountaineer Bhupesh Kumar scaled an unnamed peak 6,180 metres (20,280 feet) high in Spiti valley, Himachal Pradesh and named it Mount Kalam in memory of late President of India A. P. J. Abdul Kalam.

The Swiss adventurer Olivier Racine came to his rescue giving him appropriate medicine.