Alchi Monastery topographic conditions, only two survived, one of them the esteemed scholar and translator Rinchen Zangpo who established Buddhist activity in the Ladakh region and other areas of India including Himachal Pradesh and Sikkim. During his sojourn there, he also went to the neighbouring countries of Nepal, Bhutan and Tibet. Zangpo became known by the epithet "Lohtsawa" or the "Great Translator"; he is credited with building 108 monasteries in the trans-Himalayan region in his quest to disseminate Buddhism. He institutionalized Buddhism in the region; these monasteries are considered the mainstay of Vajrayana of Tibetan Buddhism (also known as Lamaism). Zangpo engaged
Christianity in Bhutan Bhutan. Vajrayana Buddhism is the State religion of Bhutan. Bhutan is the last remaining country in which Buddhism in its tantric, "vajrayana" form, also called lamaism, is the state religion. According to Article 3 of the 2008 Constitution, "Buddhism is the spiritual heritage of Bhutan, which promotes the principles and values of peace, non-violence, compassion and tolerance". "The Druk Gyalpo [or King] is the protector of all religions in Bhutan". Article 3 stipulates that "It shall be the responsibility of religious institutions and personalities to promote the spiritual heritage of the country while also ensuring that religion remains separate from