Among the Buddhist Tantrists appeared a new school of preachers, often known as siddhas (those who have achieved), who sang their verses in the contemporary languages, early Maithili and Bengali.

• 在佛教的密教当中，出现了新学派的传教士，通常是被称为成就者（那些已经获得成就的人），用当代的语言，早期的迈蒂利语和孟加拉语，唱着他们的诗句。