Synopsis This encyclopaedia provides a comprehensive details about Educational Learning and Teaching Technology, from the lowest levels of fundamentals and basics to the advanced and complex levels. The encyclopaedia is divided into six volumes and each volume is complete in itself. The first volume provides the Fundamentals of Teaching in a simple and systematic manner, suited for readers, who have not been exposed sufficiently to the subject. The second volume is on Development of Learner and teaching-learning process, which bring into focus the most significant aspects of the learner and the teaching-learning process. Modern Educational Research is the third volume, which provides a comprehensive analysis of the form, substance, methodology and techniques of educational research in the context of contemporary requirement and specialisations. Guidance and Counselling is being discussed in the fourth volume. Fifth volume is related to Modern Methods and Techniques of Teaching. The intent of this volume is to provide thorough discussion on methods and techniques of teaching as it is very important for the successful training of teachers and for their profession in future as well. Finally, the sixth volume on Educational Technology begins with an introduction and then describes the technical face and new dimensions of the educational system followed by evolution and research, teacher's training and aids in teaching. This encyclopaedia is useful to both students and teachers, retaining its appeal as a guide to the educationists and policy makers and a comprehensive introduction to the students at both undergraduate and postgraduate levels.