Uddish Tantra (Lankadhipati Ravan Krit), published by Randheer Prakashan and authored/edited by Sri Yashpal Ji, is a profound Sanskrit scripture with Hindi translation that unveils the esoteric secrets of Tantric science. Attributed to the legendary King Ravana, who is said to have received this knowledge directly from Lord Shiva, the book serves as a comprehensive guide for seekers exploring ancient occult practices. It features a rare collection of rituals involving flora (vanaspati), alongside detailed instructions for the worship of deities like Shri Kali and Shri Ardrapati Devi. The text covers diverse subjects ranging from Indrajal (mystical arts) and the accomplishment of Yakshinis and Bhutinis to practical Ayurvedic treatments for various ailments. This 128-page manual is designed as a \\\"lamp-pillar\\\" for practitioners, aiming to guide them toward both worldly success and spiritual mastery through the disciplined use of ancient Indian mantras and experiments.