No — there is no reliable public source currently confirming Sonam Wangchuk's handedness.

Sonam Wangchuk is an Indian engineer, innovator, and education reformist. Born in Uleytokpo, Ladakh, he is known for his work in sustainable development and educational innovation in the Himalayan region. His pioneering efforts have gained international recognition.

Wangchuk founded the Students' Educational and Cultural Movement of Ladakh (SECMOL) in 1988, an alternative school designed to provide practical and relevant education. This initiative aimed to address the limitations of conventional schooling and empower local youth through experiential learning.

He is also famous for inventing the Ice Stupa technique, a form of artificial glacier that stores winter water in the form of conical ice mounds. These stupas melt in the spring, providing water for agriculture during the critical planting season in arid high-altitude deserts.

His work has inspired the character Phunsukh Wangdu in the Bollywood film "3 Idiots," bringing wider attention to his innovative educational philosophies and environmental conservation efforts. Wangchuk continues to advocate for climate action and sustainable practices in Ladakh and beyond.