A kind of Kālika Śruta (a category of Āgama (2) (canonical work) which can be studied only in the first and last quarter of day and night); third varga of Upāṅga (auxiliary canonical work); in this canonical work there is description of the Ārādhanā (punctilious (or meticulous) observance)) and the Virādhanā (non-observance) of Saṃyama (ascetic conduct) and Samyaktva (right faith).
(Nandī 78)
uvaṃgāṇaṃ taccassa vaggassa pupphiyāṇaṃ...
(Pu 1.2)