sentences:  Gyüpa Dratsang, the Tantric College, or Sangngag Dechenling Datsang was founded by Chojey Legpa-gyatso in 1649.The curriculum follows that of Gyumay Lower Tantric College of Lhasa.After study of the major texts and commentaries of the "Guhyasamāja tantra", "Cakrasaṃvara Tantra" () and "Vajrabhairava tantra", monks receive the "geshe ngagrampa" degree.