ORACLE introduces to a compressive and accessible reference guide designed for students, enriching the reading experience while preparing for exams or any other research purposes. Based on the FYUGP syllabus of Dibrugarh University, Assam, the text aims to interpret and explain major theories of great literary figures like: Plato, Aristotle, Horace, Longinus, Phillip Sidney, John Dryden, Alexander Pope and Samuel Johnson. The text is intended to provide a comprehensive understanding of the subject of literary criticism for the students of English Literature.