But as quite a few tantric traditions have survived in South, East, and Central Asia, ethnographic studies in these communities are a significant supplemental resource of data about them. Nevertheless, the Pāñautomobileātra sect, which dates back again on the fifth or 6th century and focused on Viṣṇu qua Nārāyaṇa, https://www.youtube.com/watch?v=1bdBE_QGcvU