Pancharatra

The West long judged it by the printed Narada Pancharatra, a late text South Indian Vaishnavas reject; in 1916 Otto Schrader called this 'a strange misfortune'.

F. Otto Schrader, Introduction to the Pancaratra and the Ahirbudhnya Samhita (Adyar Library, 1916), pp. 1-2

A Vishnu-centred tantric ritual system whose texts still govern worship in many South Indian temples.

Sources1 source

Scholarship

F. Otto Schrader, Introduction to the Pañcarātra and the Ahirbudhnya Saṃhitā, 1916, pp. 1-2, 24-26The Narada Pancharatra, late and rejected as spurious in South India, gave Europe a wrong impression of the system; the sect's dogma is God's fivefold self-manifestation (Para, Vyuha, Vibhava, Antaryamin, Arca); the word first occurs in Satapatha Brahmana XIII.6.1.
It is a strange misfortune that of all the works bearing