The tourists visiting Mussoorie will now have to register their details on a portal developed by the Uttarakhand Tourism Department at the time of check-in, an official on Thursday said.

District Tourism Officer Brijendra Pandey said that the new rule came into force on Wednesday.

Hotels, guest houses, homestays and other such facilities have to first register themselves on the portal and do the registration of their guests as they check-in, he added.