ʼBras-spungs tshogs chen zhal ngoʼi lam lugs skor gyi dpyad gleng gcu med nyag phran

Historical overview of duties, responsibilities and power of Drepung monasteryʼs disciplinary officer (Tib. zhal ngo), who is responsible to maintain order, discipline and peace during the Great Prayer Festival (Tib. Smon lam chen mo) including history of Gelukpa (Tib. Dge-lugs-pa) School of Tibetan Buddhism in Lhasa.