Sirbaz Khan has climbed 13 out of world’s 14 mountains higher than 8,000 metres
Shehroze Kashif, Sirbaz Khan and Abdul Joshi praised for their contributions to the country's image
Standing at 8,485 metres, Mount Makalu is the fifth-highest peak in the world
The 32 year-old summitted the Mount Dhaulagiri, which is the world's seventh highest peak