Tulsi is from the Gorkha region of Nepal. He began working as a trekking and climbing guide in 2003. In 2012 he became a certified IFMGA Mountain Guide and received his Mountain Guide diploma with the Nepal National Mountain Guide Association (NNMGA). Tulsi has summited Everest twice. He has climbed Ama Dablam, Cho Oyu, Mera Peak and many other mountains in Nepal, Russia, France and Italy, including Mont Blanc. His training has included advanced mountaineering, first aid and high mountain rescue courses.