Prof. Harmesh Lal worked in the NCERT, N. Delhi for more than 37 years. He was actively involved in imparting training in audio-visual education to the teachers and teacher-educators. 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, ETV programs produced by him won awards in national and international competitions. After his retirement, Dr. Lal worked in the Min of HRD, Deptt. of Edu. as Honorary Consultant and prepared a database of about 10,000 ETV programs produced by the CIET, SIETS, NIOS etc.