The is a major scripture in the Hindu Tantric tradition, specifically belonging to the Shaiva-Shakta lineage. While the original ancient version is widely considered lost, the extant portion known as the Uttara Tantra (the latter part) remains a foundational text for practitioners in Bengal and beyond. The Core Narrative and Origin

Rudrayamala Tantra (specifically the Uttara Tantra Uttara Khanda

It serves as a foundational text for many Shakta and Shaiva lineages, particularly in Eastern India and Bengal.