Classes 8 to 12 typically refer to the secondary level of education in the Indian education system. These classes cover a wide range of subjects, including Physics,Chemistry,Biology,
Mathematics, English and Social Science.
Syllabus refers to the academic curriculum that outlines the topics and subjects to be studied in a particular course or program. In India, the three major syllabi followed by schools are CBSE (Central Board of Secondary Education), ICSE (Indian Certificate of Secondary Education), and State Board syllabus.