It is required to train thousands of teachers across the country effectively and in minimum possible time. Which of the following methods would be the most effective ?

• A. (1) Prepare and make available computer-based trainers (CBTs) to the teachers
• B. (2) Prepare and make available video lectures by experts to the teachers
• C. Establish a transmission centre at any educational institute, remote centres withtablets at institute at every district and Taluka places. Broadcast live lectures by experts from transmission centre
• D. None of the above