Sonali Pradhan presented a seminar on the role of education in promoting unity in diversity. The seminar discussed key concepts such as: 1) Unity in diversity values understanding differences and sees them as enriching interactions rather than just tolerating them. It promotes learning skills and values for students. 2) Components of unity in diversity include multiculturalism, multilingualism, and equity. 3) Multicultural education aims to provide equal access and opportunities for all students regardless of their backgrounds. It incorporates diverse cultures and perspectives into the curriculum.