Where is the ICSE board curriculum followed in India?

It is the ICSE Board, which's Full Form of ICSE is the Indian Certificate of Secondary Education is used throughout India in English-medium and private schools. The ICSE syllabus is taught in the major towns and cities like Delhi, Mumbai, Bengaluru, Chennai, Kolkata, Hyderabad and Pune in addition to in numerous cities and semi-urban regions with a uniform syllabus across the country.