The learning process is aimed to bring out the permanent desirable changes in the behavior of an individual. The teaching-learning process respects the diversity among students and the teacher follows different paths to achieve the goals of learning.The teachers use different materials such as charts, models, film strips, video clips, etc. to arouse the interest of students in learning and to keep them indulging actively in the teaching-learning process. These materials are known as "TLM" or "teaching-learning materials".Teaching-learning materials provide a range of learning experiences to learners from direct to indirect. TLM generally includes all the collections of things and objects which help the teacher and student in the learning process.Authentic materials refer to any text, audio, video, or object developed or written in natural language and contexts. These are the reading texts that were written by native speakers and published in newspapers or magazine contexts. Authentic Material gives authentic information. Authentic materials are drawn from periodicals that are constantly being updated. These materials relate more closely to learners' needs and provide them with a source of relevant materials for learning.Therefore, it is concluded that authentic materials refer to any text, audio, video, or object developed or written in natural language and contexts.