Who among the following was associated as Secretary with Hindu Female School which later came to be known as Bethune Female School?

1. The question asks to identify the person associated as Secretary with the Hindu Female School, which was later renamed Bethune Female School. 2. The school was founded by John Elliot Drinkwater Bethune in Calcutta (Kolkata) in 1849. 3. Ishwar Chandra Vidyasagar (C), a prominent social reformer and educationist, was closely involved with the school's management and served as its honorary Secretary for several years. He played a significant role in promoting female education in Bengal. 4. Annie Besant (A) was involved in education through the Theosophical Society and the Central Hindu College in Benares, but not directly as Secretary of the Bethune School. 5. Debendranath Tagore (B) was a leader of the Brahmo Samaj and involved in social and religious reforms, but not specifically associated as Secretary of this school. 6. Sarojini Naidu (D) was a prominent poet and political figure, active later, and not the Secretary of the Bethune School. Therefore, Ishwar Chandra Vidyasagar is the correct answer.