When adhwaryu (adhwaryu) offers an oblation to the sacrificial fire, hotā (hota) recites the yājyā (yajya) hymn and then utters the ritualistic chant word bauṣaṭ (baushat). Then, uttering agne vīhi (“Agni, please eat”), he utters bauṣaṭ once again. This second utterance of bauṣaṭ is known as anubaṣaṭkāra (anubashatkara). During Iṣṭiyāga (Ishtiyaga) the primary sacrifice is followed by Svitkṛṣṭayāga (Switkrishtayaga), in which anubaṣaṭkāra is not permissible. It is allowed in pravyarga karma