The book, Educating the Teachers studies in detail In-service Teacher Education (INSET) which is indispensable for the qualitative improvement in the education system. In-service education programmes in the form of seminars, workshops, symposia, etc., are organized as the instruments of professional development of the teachers as well as for the amelioration of institutional efficiency. It is pertinent to know the basic philosophy behind the concept of in-service education, on the one hand, and to evaluate the outputs and outcomes of these programmes, on the other. This book deals with the nuances of Philosophical Basis of in-service education with special emphasis on in-service education of the teachers, idiosyncrasies about the aspect of Organization of in-service programmes, and pave way for Programme Evaluation. The findings of the book covering all facets of in-service education are relevant in many ways for conducting in-service training programmes for teachers by DIETs and other educational institutions interested in the quality of schooling.