Charyapada
The Charyapada is a collection of mystical poems, songs of realization in the Vajrayāna tradition of Buddhism from the tāntric tradition in Assam, Bengal, Bihar and Odisha. It was compiled between the 8th and 12th centuries in late Apabhraṃśa or various Abahaṭṭha dialects, representing the formative stage of the Eastern Indo-Aryan languages.