NEW DELHI—A group of seven engineers in India is working to solve a problem which people only in the high, inaccessible Himalayan region of Ladakh encountered during the pandemic—how to wash your hands when every single drop of water freezes and there’s an extreme scarcity of water. More generally the people of Ladakh faced the problem of how to manage life when everyone is at home due to the lockdown and there’s no electric power supply. Global Himalayan Expedition (GHE), a social enterprise run by seven engineers that leverages tourism as a force for development, has set up 150 solar water heaters in 45 villages and solar electricity in 13 villages of Ladakh in the past six months after India reopened following the first wave of the pandemic. “We are a group of engineers. And the idea was to look at an area where we can do adventure and at …