Concept of Teacher Education
Teacher education is a discipline and sub sector of education with its distinct pre service and in service forms. It equips prospective and in service teachers with information, knowledge and pedagogical skills to help reform their attitudes and behaviour to the profession of education. The key objective is to facilitate the transfer of knowledge (cognitive, affective and psychomotor) to students and to build their character and personalities. In other words teacher education refers to the policies and procedures designed to equip teachers with the knowledge, attitudes, behaviours and skills they require to perform their tasks effectively in the school and classroom. (Wikipedia, 09)  According to Sheikh M.A (1998), teacher education encompasses acquiring all that knowledge, skills and abilities which are relevant to the life of a “teacher as a teacher” It reshapes the attitudes, remodels the habits, and develops the personalities of teachers.
Need for Teacher Education
Teachers' general education and professional training both require utmost care and attention, as whatever is acquired by them is transferred to their students with high multiple effects. The present has witnessed and is still experiencing a rapidly but positively changing scenario of processes and procedures of teacher training. New innovative methods are continuously being added to the already practiced traditional pedagogical techniques. Acquainting with these developments to the point of mastery is needed for the promotion and maintenance of good teaching learning standards. Good quality teacher education about these key elements paves the way of the development of the education system in the long run.
Teachers are the layers of the foundations of future citizens, hence need to be educated with futuristic perspective, so that they can develop the personalities of their students, not only as per present requirements but also for the years to come, accommodating the new trends from the global outlook. This is very important as teacher is one of the key agents of change in all communities and a service provider as per needs of the future. Changes are taking place not only at national but also at international level. With every passing day distances are shrinking and communities are coming closer to each other affecting each other's practices of life.
Purpose of Teacher Education
The purpose of teacher education primarily is to equip prospective teachers not only with suitable aptitudes for teaching but also with appropriate skills and abilities required to make them effective and efficient professionals. Through different theoretical and practical activities, they are helped to understand not only the philosophical, psychological, and sociological basis of teaching, but also the relationship of education with the society and its values through teaching and learning processes.
The process of formal teacher education can help the prospective teachers minimize the troubles and save the students from the wastages of hit and trial. Appropriately rendered teacher education, provides ample opportunities to would be teachers to understand the nature of teaching; to envisage responsibilities of a teacher; to discover that to be a teacher is much more than learning by heart the philosophies and theories of learning; and to comprehend the practical implications of the pedagogical strategies. It is learnt that the profession of teaching is in fact facilitating the acquisition and retention of knowledge, values, skills and right attitudes for successful life that can initiate and promote positive changes in the society.
Keeping this in view teacher education, through teacher-preparatory years focuses on the development of abilities and skills that would not only make them capable teachers but will enable them to discharge duties effectively, take initiatives, motivate students and facilitate learning. With the belief that practice makes one perfect, students during teacher education phase are given the opportunity to teach or instruct and receive constant guidance and encouragement during practical delivery, in order to strengthen good habits and to overcome the pedagogical weaknesses.