Explanation:

- Option 1: UGC (University Grants Commission)

- UGC is responsible for determining and maintaining standards of higher education in India. It coordinates and funds universities but doesn't design school-level educational materials.

- Option 2: AICTE (All India Council for Technical Education)

- AICTE regulates technical education programs in India and accredits programs for colleges and technical institutions, not school textbooks.

- Option 3: ICMR (Indian Council of Medical Research)

- ICMR promotes and coordinates biomedical research in India. It has no involvement in school-level textbook design.

- Option 4: NCERT (National Council of Educational Research and Training)

- NCERT prepares and publishes textbooks, modules, and educational materials for school education, including up to the senior secondary level.

- ?? Correct Answer: Option 4 - NCERT