Ras Samrat Shambhubeej – Parad Tantra Parad Shastra is a comprehensive three‑part Hindi work exploring the ancient science of mercury (Parad), its spiritual significance, and tantric practices associated with it. Authored by Baba Manthan Bodhji (‘Rasvigyani’) and K. L. Nishad (‘Bhairamgadhi’), the book delves into the scriptural and ritualistic aspects of Parad within Tantra and Ras Shastra traditions. Published by Randheer Prakashan, Haridwar, it serves as a detailed guide for students, spiritual practitioners, and researchers interested in classical tantric alchemical knowledge. The volume combines practical insights with traditional teachings on sacred alchemy and worship, presenting Parad not only as a material but as a transformative symbolic element in spiritual sadhana. Written in accessible Hindi, this rare compilation bridges ancient Tantric wisdom and modern seekers, offering both theoretical context and rituals for those exploring Parad‑based spiritual sciences.