Hundreds of monks and locals gathered at the silver jubilee celebration of the Ugyen Shedrupling Tsangka Shedra in Trongsa, yesterday. Coinciding with day, a 36-page magazine about the history of Shedra, sacred Neys and biography of the Shedra’s principals was also launched.The Khenpo of the Shedra said the monks started learning astrology from the Shedra since 1989. The shedra has 30 monks.