Traditionally, most of the lectures are taken with chalk and board in India. However with computer technology the use of computer assisted techniques in teaching is inevitable, it enhances the ability to process the ever-increasing volume of medical knowledge. The use of power -point presentations (PPT) has been increasingly adopted by many of the medical colleges over the past decade but the superiority of these aids over one another has not been proven. Teaching and learning are active processes occurring simultaneously on a continuous basis Teaching facilitates and supports learning .However, learning is the cognitive processes whereby an individual acquires the professional and ethical values, clinical knowledge, reasoning and psychomotor skills necessary for professional competence. Both teaching and learning are dependent on the teacher, the learner, the subject matter, environment(s) and the teaching methods. The responsibility lies on the teacher to ensure that student is given the opportunity to think in the classroom. As thinking is essential to knowledge and knowledge is essential to thinking Hence strategies should be developed to use PowerPoint appropriately in the classroom. The aim of this study was to compare the impact of the PowerPoint multimedia presentation and chalkboard in teaching. It assesses the students’ perspectives and preferences for chalk and board and power point presentations. Also it evaluates efficacy of these tools as far as examination performance is concerned. Students were given a questionnaire seeking their opinions about helpfulness of the teaching tools for reproducibility of diagrams and text in examination, retention of lecture information in memory and understanding of simple and complex concepts. Most of the students opined that C&B is more helpful than PPT for all the three parameters. PPT should not replace chalk & board, but be used as a supplementary to enhance the efficacy of a lecture.. This was suggested by recogni