Prof. Harmesh Lal worked in the NCERT, N. Delhi, for more than 37 years. He was actively involved in training teachers and teacher-educators in audio-visual education. Dr Lal produced more than 200 edl. TV and audio programs for the children and the teachers. He wrote more than 40 papers, manuals and articles which were published in National and International journals. Besides organising training courses, seminars and workshops, a series of research studies in various aspects of edl. Media and Technology were conducted. As Executive Producer, he produced ETV programs that won awards in national and international competitions. After his retirement, Dr Lal worked in the Min of HRD, Deptt of Education, as an Honorary Consultant and prepared a database of about 10,000 ETV programs produced by the CIET, SIETS, NIOS, etc.