About Lankavatara Sutra
The Laṅkāvatāra Sūtra is a prominent Mahayana Buddhist sūtra. This sūtra recounts a teaching primarily between Gautama Buddha and a bodhisattva named Mahāmati, "Great Wisdom". The sūtra is set in Laṅkā, the island fortress capital of Rāvaṇa, the king of the rākṣasa demons.