Hari Budha Magar, who lost his legs fighting for the British Army, says he wants to help others.
The Defence Secretary says it was a privilege to return to Aldershot where he trained in the Army.
Members of the Nepalese community were allegedly abused in Aldershot on Tuesday evening.
Alex Baker, MP for Aldershot, reacts after reports of an attack on Nepalese Gurkhas in the town.
King Charles addressed the Gurkha unit at a formation parade held at Larkhill Barracks.
Hari Budha Magar, a former Gurkha, broke the gruelling record after years of hard training.
Shree Jaya Devi school, which teaches 119 children, is rebuilt with the help of Manx funding.
Hari Budha Magar set himself the challenge of climbing the highest mountain on all seven continents.
The uphill challenge imitated the real race, which takes place in the foothills of the Himalayas.
