The tit-for-tat measures come after gunmen killed at least 26 people in Indian-administered Kashmir on Tuesday.
Langtang was destroyed in the earthquake, and 300 of its residents died. But others returned and rebuilt a tourist haven
More than 23 million tourists visited Indian Kashmir in 2024 but that is set to change.
The executive order will help private deep-sea mining companies to access mineral-rich nodules on the sea floor.