M.Phil Avesta-Pahlavi is a Postgraduate Academic Research Degree course. The Avesta writings fall into a few unique classes, organized either by lingo, or by utilization. The important content in the ceremonial gathering is the Yasna, which takes its name from the Yasna function, Zoroastrianism's essential demonstration of love, and at which the Yasna content is presented. The most significant segment of the Yasna writings are the five Gathas, comprising of seventeen songs ascribed to Zoroaster himself. These songs, together with five other short Old Avestan messages that are additionally some portion of the Yasna, are in the Old (or 'Gathic') Avestan language. The rest of the Yasna's writings are in Younger Avestan, which isn't just from a later phase of the language, yet in addition from an alternate geographic locale.