Sri Sri speaks on the secret of death The Katha Upanishad is probably the most widely known of all the Upanishads. Upanishad means sitting close, getting close. The individual mind getting close to the universal mind, the finite mind getting close to the infinity mind. The limited trying to access the unlimited and the known reaching out to the unknown. The Katha Upanishad narrates a conversation between a sage by the name of Naciketas and Yama, the god of death. What is the end of life?