The correct option is D Nelson Mandela
Nelson Rolihlahla Mandela was a South African anti-apartheid revolutionary, political leader and philanthropist who served as President of South Africa from 1994 to 1999. India supported Nelson Mandela and his party in his movement against racial discrimination.
Toni Morrison was an American novelist. Chinua Achebe was a Nigerian postcolonial writer, novelist and a critic. Langston Hughes was an American poet, social activist, novelist, playwright, and columnist.