[Pramāṇa](https://indike.org/pramana/) › [Indian literature](https://indike.org/pramana/in) › [Religious Traditions](https://indike.org/pramana/in.sampradaya) › [Śaiva traditions](https://indike.org/pramana/in.sampradaya.saiva) › [Kashmirian non-dual Śaivism, Kaula and Nātha](https://indike.org/pramana/in.sampradaya.saiva.trika) › [Nātha tradition](https://indike.org/pramana/in.sampradaya.saiva.trika.natha) › [Haṭhayoga texts](https://indike.org/pramana/in.sampradaya.saiva.trika.natha.hathayoga) › Amritasiddhi # Amritasiddhi (Amṛtasiddhi) अमृतसिद्धि · The Perfection of the Nectar of Immortality The earliest text teaching haṭhayoga techniques (mahāmudrā, mahābandha, mahāvedha), composed in a Vajrayāna Buddhist milieu and ascribed to Virūpākṣa. - **Language:** Sanskrit - **Date:** 1050–1150 CE - **Author:** [Virūpākṣa](https://indike.org/pramana/person/virupaksa) - **Text:** not yet digitised (catalogue entry) --- Source: [https://indike.org/pramana/in.sampradaya.saiva.trika.natha.hathayoga.amrtasiddhi](https://indike.org/pramana/in.sampradaya.saiva.trika.natha.hathayoga.amrtasiddhi) · Pramāṇa