The additional sub-topics will be part of the forthcoming board exams for Class XII science students in the chapter on communication systems. The topics include internet, mobile telephony and global positioning system.
“These are already part of the syllabus announced earlier. But we realized that these sub-topics are not there in the prescribed NCERT books. Though we had issued the content, many schools asked us again. We found out that these schools didn’t get it. So we decided to upload them in the public domain so students and teachers know what to study,” said Vineet Joshi, chairman, CBSE.
Source: The Times of India