In 1951 Lisanevich opened the country's first hotel, The Hotel Royal with the Yak and Yeti Bar, in a converted Rana Palace with Prince Basundhara as his business partner. Once the Royal Hotel closed in 1969, he opened the Yak and Yeti restaurant in Lal Durbar with another business partner, who went on to found and establish the Hotel Yak and Yeti. Boris ran the restaurant as "The Chimney Room" in the newly established hotel bearing the name that Boris invented.